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Finding the Fourth Proportional to 2,374.25, 3,562.06 and 731.03

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Solution

The fourth proportional to 2,374.25, 3,562.06 and 731.03 is: 1,096.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,374.25 : 3,562.06 = 731.03 : x
  2. Step 2: Convert to fraction form
    2,374.25/3,562.06 = 731.03/x
  3. Step 3: Cross multiply
    2,374.25x = 3,562.06 × 731.03
  4. Step 4: Simplify right side
    2,374.25x = 2,603,972.72
  5. Step 5: Solve for x
    x = 2,603,972.72/2,374.25
  6. Step 6: Final answer
    x = 1,096.76

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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.