Home / 3,273.57-4,517.55-1,781.51

Finding the Fourth Proportional to 3,273.57, 4,517.55 and 1,781.51

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Solution

The fourth proportional to 3,273.57, 4,517.55 and 1,781.51 is: 2,458.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,273.57 : 4,517.55 = 1,781.51 : x
  2. Step 2: Convert to fraction form
    3,273.57/4,517.55 = 1,781.51/x
  3. Step 3: Cross multiply
    3,273.57x = 4,517.55 × 1,781.51
  4. Step 4: Simplify right side
    3,273.57x = 8,048,037.91
  5. Step 5: Solve for x
    x = 8,048,037.91/3,273.57
  6. Step 6: Final answer
    x = 2,458.49

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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.