Home / 1,140-1,710-532

Finding the Fourth Proportional to 1,140, 1,710 and 532

Calculator

Solution

The fourth proportional to 1,140, 1,710 and 532 is: 798

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140 : 1,710 = 532 : x
  2. Step 2: Convert to fraction form
    1,140/1,710 = 532/x
  3. Step 3: Cross multiply
    1,140x = 1,710 × 532
  4. Step 4: Simplify right side
    1,140x = 909,720
  5. Step 5: Solve for x
    x = 909,720/1,140
  6. Step 6: Final answer
    x = 798

Related Problems

Find fourth proportional to 570, 855 and 266
Half scale
Find fourth proportional to 2,280, 3,420 and 1,064
Double scale
Find fourth proportional to 1,141, 1,711.50 and 533
Similar ratio
Find fourth proportional to 1,710, 2,565 and 798
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.