Home / 1,251.68-1,877.52-482

Finding the Fourth Proportional to 1,251.68, 1,877.52 and 482

Calculator

Solution

The fourth proportional to 1,251.68, 1,877.52 and 482 is: 723

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251.68 : 1,877.52 = 482 : x
  2. Step 2: Convert to fraction form
    1,251.68/1,877.52 = 482/x
  3. Step 3: Cross multiply
    1,251.68x = 1,877.52 × 482
  4. Step 4: Simplify right side
    1,251.68x = 904,964.64
  5. Step 5: Solve for x
    x = 904,964.64/1,251.68
  6. Step 6: Final answer
    x = 723

Related Problems

Find fourth proportional to 625.84, 938.76 and 241
Half scale
Find fourth proportional to 2,503.36, 3,755.04 and 964
Double scale
Find fourth proportional to 1,252.68, 1,879.02 and 483
Similar ratio
Find fourth proportional to 1,877.52, 2,816.28 and 723
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.