Home / 3,787.23-5,679.51-1,447.89

Finding the Fourth Proportional to 3,787.23, 5,679.51 and 1,447.89

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Solution

The fourth proportional to 3,787.23, 5,679.51 and 1,447.89 is: 2,171.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.23 : 5,679.51 = 1,447.89 : x
  2. Step 2: Convert to fraction form
    3,787.23/5,679.51 = 1,447.89/x
  3. Step 3: Cross multiply
    3,787.23x = 5,679.51 × 1,447.89
  4. Step 4: Simplify right side
    3,787.23x = 8,223,305.73
  5. Step 5: Solve for x
    x = 8,223,305.73/3,787.23
  6. Step 6: Final answer
    x = 2,171.32

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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.