Home / 3,273.90-4,517.87-1,781.79

Finding the Fourth Proportional to 3,273.90, 4,517.87 and 1,781.79

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Solution

The fourth proportional to 3,273.90, 4,517.87 and 1,781.79 is: 2,458.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,273.90 : 4,517.87 = 1,781.79 : x
  2. Step 2: Convert to fraction form
    3,273.90/4,517.87 = 1,781.79/x
  3. Step 3: Cross multiply
    3,273.90x = 4,517.87 × 1,781.79
  4. Step 4: Simplify right side
    3,273.90x = 8,049,887.45
  5. Step 5: Solve for x
    x = 8,049,887.45/3,273.90
  6. Step 6: Final answer
    x = 2,458.80

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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.