Calculate nearest whole size on aspect ratio

nearest-whole-aspect-ratio.js

// Paste this in your JavaScript console:
var width = 1440;
var height = 500;
var minWidth = 1000;
var maxWidth = 1500;

var ar = height / width;
for (var i = minWidth; i < maxWidth; i++) {
  if (ar * i % 1 === 0) {
    console.log(i + 'x' + (i * ar));
  }
}

/*
 * Example output:
 *
 * 1008x350
 * 1080x375
 * 1152x400
 * 1224x425
 * 1296x450
 * 1368x475
 * 1440x500
 */