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Finding the Fourth Proportional to 4,691.80, 7,037.69 and 1,881.90

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Solution

The fourth proportional to 4,691.80, 7,037.69 and 1,881.90 is: 2,822.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,691.80 : 7,037.69 = 1,881.90 : x
  2. Step 2: Convert to fraction form
    4,691.80/7,037.69 = 1,881.90/x
  3. Step 3: Cross multiply
    4,691.80x = 7,037.69 × 1,881.90
  4. Step 4: Simplify right side
    4,691.80x = 13,244,251.11
  5. Step 5: Solve for x
    x = 13,244,251.11/4,691.80
  6. Step 6: Final answer
    x = 2,822.85

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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.