Home / 3,691.38-5,537.55-1,351.02

Finding the Fourth Proportional to 3,691.38, 5,537.55 and 1,351.02

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Solution

The fourth proportional to 3,691.38, 5,537.55 and 1,351.02 is: 2,026.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.38 : 5,537.55 = 1,351.02 : x
  2. Step 2: Convert to fraction form
    3,691.38/5,537.55 = 1,351.02/x
  3. Step 3: Cross multiply
    3,691.38x = 5,537.55 × 1,351.02
  4. Step 4: Simplify right side
    3,691.38x = 7,481,340.80
  5. Step 5: Solve for x
    x = 7,481,340.80/3,691.38
  6. Step 6: Final answer
    x = 2,026.71

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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.