Home / 3,273.27-4,517.21-1,781.28

Finding the Fourth Proportional to 3,273.27, 4,517.21 and 1,781.28

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Solution

The fourth proportional to 3,273.27, 4,517.21 and 1,781.28 is: 2,458.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,273.27 : 4,517.21 = 1,781.28 : x
  2. Step 2: Convert to fraction form
    3,273.27/4,517.21 = 1,781.28/x
  3. Step 3: Cross multiply
    3,273.27x = 4,517.21 × 1,781.28
  4. Step 4: Simplify right side
    3,273.27x = 8,046,412.57
  5. Step 5: Solve for x
    x = 8,046,412.57/3,273.27
  6. Step 6: Final answer
    x = 2,458.22

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1.5x scale

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.