# proportional

[ pruh-pawr-shuh-nl ]

/ prəˈpɔr ʃə nl /

Save This Word!

adjective

having due proportion; corresponding.

being in or characterized by proportion.

of, relating to, or based on proportion; relative.

Mathematics.

- (of two quantities) having the same or a constant ratio or relation: The quantities y and x are proportional if y/x = k, where k is the constant of proportionality.
- (of a first quantity with respect to a second quantity) a constant multiple of: The quantity y is proportional to x if y = kx, where k is the constant of proportionality.

## OTHER WORDS FOR proportional

QUIZ

CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?

There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?

Question 1 of 7

Which sentence is correct?

## Origin of proportional

First recorded in 1350–1400; Middle English proporcional, from Latin prōportiōnālis; see proportion, -al

^{1}## OTHER WORDS FROM proportional

## WORDS THAT MAY BE CONFUSED WITH proportional

proportional , proportionateDictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

## British Dictionary definitions for proportional

proportional

/ (prəˈpɔːʃənəl) /

adjective

of, involving, or being in proportion

maths having or related by a constant ratio

noun

maths an unknown term in a proportionin a/b = c/x, x is the fourth proportional

## Derived forms of proportional

proportionality, nounproportionally, adverbCollins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012