Home / 3,932.82-5,899.53-1,591.72

Finding the Fourth Proportional to 3,932.82, 5,899.53 and 1,591.72

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Solution

The fourth proportional to 3,932.82, 5,899.53 and 1,591.72 is: 2,387.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932.82 : 5,899.53 = 1,591.72 : x
  2. Step 2: Convert to fraction form
    3,932.82/5,899.53 = 1,591.72/x
  3. Step 3: Cross multiply
    3,932.82x = 5,899.53 × 1,591.72
  4. Step 4: Simplify right side
    3,932.82x = 9,390,391.11
  5. Step 5: Solve for x
    x = 9,390,391.11/3,932.82
  6. Step 6: Final answer
    x = 2,387.70

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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.