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Finding the Fourth Proportional to 3,787.32, 5,681.74 and 1,594.76

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Solution

The fourth proportional to 3,787.32, 5,681.74 and 1,594.76 is: 2,392.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.32 : 5,681.74 = 1,594.76 : x
  2. Step 2: Convert to fraction form
    3,787.32/5,681.74 = 1,594.76/x
  3. Step 3: Cross multiply
    3,787.32x = 5,681.74 × 1,594.76
  4. Step 4: Simplify right side
    3,787.32x = 9,061,011.68
  5. Step 5: Solve for x
    x = 9,061,011.68/3,787.32
  6. Step 6: Final answer
    x = 2,392.46

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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.