Home / 3,177.52-4,755.91-2,874.40

Finding the Fourth Proportional to 3,177.52, 4,755.91 and 2,874.40

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Solution

The fourth proportional to 3,177.52, 4,755.91 and 2,874.40 is: 4,302.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.52 : 4,755.91 = 2,874.40 : x
  2. Step 2: Convert to fraction form
    3,177.52/4,755.91 = 2,874.40/x
  3. Step 3: Cross multiply
    3,177.52x = 4,755.91 × 2,874.40
  4. Step 4: Simplify right side
    3,177.52x = 13,670,387.70
  5. Step 5: Solve for x
    x = 13,670,387.70/3,177.52
  6. Step 6: Final answer
    x = 4,302.22

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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.