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Finding the Fourth Proportional to 3,787.62, 5,683.05 and 1,839.84

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Solution

The fourth proportional to 3,787.62, 5,683.05 and 1,839.84 is: 2,760.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.62 : 5,683.05 = 1,839.84 : x
  2. Step 2: Convert to fraction form
    3,787.62/5,683.05 = 1,839.84/x
  3. Step 3: Cross multiply
    3,787.62x = 5,683.05 × 1,839.84
  4. Step 4: Simplify right side
    3,787.62x = 10,455,902.71
  5. Step 5: Solve for x
    x = 10,455,902.71/3,787.62
  6. Step 6: Final answer
    x = 2,760.55

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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.