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Finding the Fourth Proportional to 3,864.75, 5,787.80 and 2,473.84

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Solution

The fourth proportional to 3,864.75, 5,787.80 and 2,473.84 is: 3,704.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.75 : 5,787.80 = 2,473.84 : x
  2. Step 2: Convert to fraction form
    3,864.75/5,787.80 = 2,473.84/x
  3. Step 3: Cross multiply
    3,864.75x = 5,787.80 × 2,473.84
  4. Step 4: Simplify right side
    3,864.75x = 14,318,091.15
  5. Step 5: Solve for x
    x = 14,318,091.15/3,864.75
  6. Step 6: Final answer
    x = 3,704.79

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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.