Home / 3,976.14-5,487.17-2,207.85

Finding the Fourth Proportional to 3,976.14, 5,487.17 and 2,207.85

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Solution

The fourth proportional to 3,976.14, 5,487.17 and 2,207.85 is: 3,046.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.14 : 5,487.17 = 2,207.85 : x
  2. Step 2: Convert to fraction form
    3,976.14/5,487.17 = 2,207.85/x
  3. Step 3: Cross multiply
    3,976.14x = 5,487.17 × 2,207.85
  4. Step 4: Simplify right side
    3,976.14x = 12,114,848.28
  5. Step 5: Solve for x
    x = 12,114,848.28/3,976.14
  6. Step 6: Final answer
    x = 3,046.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.