Home / 3,187.44-4,781.61-1,337.40

Finding the Fourth Proportional to 3,187.44, 4,781.61 and 1,337.40

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Solution

The fourth proportional to 3,187.44, 4,781.61 and 1,337.40 is: 2,006.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187.44 : 4,781.61 = 1,337.40 : x
  2. Step 2: Convert to fraction form
    3,187.44/4,781.61 = 1,337.40/x
  3. Step 3: Cross multiply
    3,187.44x = 4,781.61 × 1,337.40
  4. Step 4: Simplify right side
    3,187.44x = 6,394,925.21
  5. Step 5: Solve for x
    x = 6,394,925.21/3,187.44
  6. Step 6: Final answer
    x = 2,006.29

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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.