Home / 3,273.87-4,517.94-1,781.79

Finding the Fourth Proportional to 3,273.87, 4,517.94 and 1,781.79

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Solution

The fourth proportional to 3,273.87, 4,517.94 and 1,781.79 is: 2,458.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,273.87 : 4,517.94 = 1,781.79 : x
  2. Step 2: Convert to fraction form
    3,273.87/4,517.94 = 1,781.79/x
  3. Step 3: Cross multiply
    3,273.87x = 4,517.94 × 1,781.79
  4. Step 4: Simplify right side
    3,273.87x = 8,050,020.31
  5. Step 5: Solve for x
    x = 8,050,020.31/3,273.87
  6. Step 6: Final answer
    x = 2,458.87

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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.