Home / 3,187.11-4,781.52-1,337.25

Finding the Fourth Proportional to 3,187.11, 4,781.52 and 1,337.25

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Solution

The fourth proportional to 3,187.11, 4,781.52 and 1,337.25 is: 2,006.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187.11 : 4,781.52 = 1,337.25 : x
  2. Step 2: Convert to fraction form
    3,187.11/4,781.52 = 1,337.25/x
  3. Step 3: Cross multiply
    3,187.11x = 4,781.52 × 1,337.25
  4. Step 4: Simplify right side
    3,187.11x = 6,394,087.62
  5. Step 5: Solve for x
    x = 6,394,087.62/3,187.11
  6. Step 6: Final answer
    x = 2,006.23

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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.