Home / 3,273.64-4,517.49-1,781.56

Finding the Fourth Proportional to 3,273.64, 4,517.49 and 1,781.56

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Solution

The fourth proportional to 3,273.64, 4,517.49 and 1,781.56 is: 2,458.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,273.64 : 4,517.49 = 1,781.56 : x
  2. Step 2: Convert to fraction form
    3,273.64/4,517.49 = 1,781.56/x
  3. Step 3: Cross multiply
    3,273.64x = 4,517.49 × 1,781.56
  4. Step 4: Simplify right side
    3,273.64x = 8,048,185.13
  5. Step 5: Solve for x
    x = 8,048,185.13/3,273.64
  6. Step 6: Final answer
    x = 2,458.48

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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.