Home / 3,273.39-4,517.28-1,781.31

Finding the Fourth Proportional to 3,273.39, 4,517.28 and 1,781.31

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Solution

The fourth proportional to 3,273.39, 4,517.28 and 1,781.31 is: 2,458.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,273.39 : 4,517.28 = 1,781.31 : x
  2. Step 2: Convert to fraction form
    3,273.39/4,517.28 = 1,781.31/x
  3. Step 3: Cross multiply
    3,273.39x = 4,517.28 × 1,781.31
  4. Step 4: Simplify right side
    3,273.39x = 8,046,676.04
  5. Step 5: Solve for x
    x = 8,046,676.04/3,273.39
  6. Step 6: Final answer
    x = 2,458.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.