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Finding the Fourth Proportional to 3,908.52, 5,863.35 and 1,134.83

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Solution

The fourth proportional to 3,908.52, 5,863.35 and 1,134.83 is: 1,702.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908.52 : 5,863.35 = 1,134.83 : x
  2. Step 2: Convert to fraction form
    3,908.52/5,863.35 = 1,134.83/x
  3. Step 3: Cross multiply
    3,908.52x = 5,863.35 × 1,134.83
  4. Step 4: Simplify right side
    3,908.52x = 6,653,905.48
  5. Step 5: Solve for x
    x = 6,653,905.48/3,908.52
  6. Step 6: Final answer
    x = 1,702.41

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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.