Home / 3,876.46-5,814.79-1,103.17

Finding the Fourth Proportional to 3,876.46, 5,814.79 and 1,103.17

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Solution

The fourth proportional to 3,876.46, 5,814.79 and 1,103.17 is: 1,654.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876.46 : 5,814.79 = 1,103.17 : x
  2. Step 2: Convert to fraction form
    3,876.46/5,814.79 = 1,103.17/x
  3. Step 3: Cross multiply
    3,876.46x = 5,814.79 × 1,103.17
  4. Step 4: Simplify right side
    3,876.46x = 6,414,695.49
  5. Step 5: Solve for x
    x = 6,414,695.49/3,876.46
  6. Step 6: Final answer
    x = 1,654.78

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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.