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Finding the Fourth Proportional to 3,251.91, 4,878.77 and 1,060.77

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Solution

The fourth proportional to 3,251.91, 4,878.77 and 1,060.77 is: 1,591.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.91 : 4,878.77 = 1,060.77 : x
  2. Step 2: Convert to fraction form
    3,251.91/4,878.77 = 1,060.77/x
  3. Step 3: Cross multiply
    3,251.91x = 4,878.77 × 1,060.77
  4. Step 4: Simplify right side
    3,251.91x = 5,175,252.85
  5. Step 5: Solve for x
    x = 5,175,252.85/3,251.91
  6. Step 6: Final answer
    x = 1,591.45

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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.