Home / 3,612.20-5,407.97-3,382.56

Finding the Fourth Proportional to 3,612.20, 5,407.97 and 3,382.56

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Solution

The fourth proportional to 3,612.20, 5,407.97 and 3,382.56 is: 5,064.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.20 : 5,407.97 = 3,382.56 : x
  2. Step 2: Convert to fraction form
    3,612.20/5,407.97 = 3,382.56/x
  3. Step 3: Cross multiply
    3,612.20x = 5,407.97 × 3,382.56
  4. Step 4: Simplify right side
    3,612.20x = 18,292,766.09
  5. Step 5: Solve for x
    x = 18,292,766.09/3,612.20
  6. Step 6: Final answer
    x = 5,064.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.