Home / 3,427.03-5,132.25-1,961.74

Finding the Fourth Proportional to 3,427.03, 5,132.25 and 1,961.74

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Solution

The fourth proportional to 3,427.03, 5,132.25 and 1,961.74 is: 2,937.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.03 : 5,132.25 = 1,961.74 : x
  2. Step 2: Convert to fraction form
    3,427.03/5,132.25 = 1,961.74/x
  3. Step 3: Cross multiply
    3,427.03x = 5,132.25 × 1,961.74
  4. Step 4: Simplify right side
    3,427.03x = 10,068,140.12
  5. Step 5: Solve for x
    x = 10,068,140.12/3,427.03
  6. Step 6: Final answer
    x = 2,937.86

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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.