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Finding the Fourth Proportional to 3,909.52, 5,863.77 and 1,410.44

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Solution

The fourth proportional to 3,909.52, 5,863.77 and 1,410.44 is: 2,115.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909.52 : 5,863.77 = 1,410.44 : x
  2. Step 2: Convert to fraction form
    3,909.52/5,863.77 = 1,410.44/x
  3. Step 3: Cross multiply
    3,909.52x = 5,863.77 × 1,410.44
  4. Step 4: Simplify right side
    3,909.52x = 8,270,513.84
  5. Step 5: Solve for x
    x = 8,270,513.84/3,909.52
  6. Step 6: Final answer
    x = 2,115.48

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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.