Home / 3,631.34-5,447.03-1,781.97

Finding the Fourth Proportional to 3,631.34, 5,447.03 and 1,781.97

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Solution

The fourth proportional to 3,631.34, 5,447.03 and 1,781.97 is: 2,672.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.34 : 5,447.03 = 1,781.97 : x
  2. Step 2: Convert to fraction form
    3,631.34/5,447.03 = 1,781.97/x
  3. Step 3: Cross multiply
    3,631.34x = 5,447.03 × 1,781.97
  4. Step 4: Simplify right side
    3,631.34x = 9,706,435.14
  5. Step 5: Solve for x
    x = 9,706,435.14/3,631.34
  6. Step 6: Final answer
    x = 2,672.97

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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.