Home / 3,729.28-5,592.96-1,419.52

Finding the Fourth Proportional to 3,729.28, 5,592.96 and 1,419.52

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Solution

The fourth proportional to 3,729.28, 5,592.96 and 1,419.52 is: 2,128.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,729.28 : 5,592.96 = 1,419.52 : x
  2. Step 2: Convert to fraction form
    3,729.28/5,592.96 = 1,419.52/x
  3. Step 3: Cross multiply
    3,729.28x = 5,592.96 × 1,419.52
  4. Step 4: Simplify right side
    3,729.28x = 7,939,318.58
  5. Step 5: Solve for x
    x = 7,939,318.58/3,729.28
  6. Step 6: Final answer
    x = 2,128.91

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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.