Home / 3,327.28-4,989.66-1,105.70

Finding the Fourth Proportional to 3,327.28, 4,989.66 and 1,105.70

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Solution

The fourth proportional to 3,327.28, 4,989.66 and 1,105.70 is: 1,658.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327.28 : 4,989.66 = 1,105.70 : x
  2. Step 2: Convert to fraction form
    3,327.28/4,989.66 = 1,105.70/x
  3. Step 3: Cross multiply
    3,327.28x = 4,989.66 × 1,105.70
  4. Step 4: Simplify right side
    3,327.28x = 5,517,067.06
  5. Step 5: Solve for x
    x = 5,517,067.06/3,327.28
  6. Step 6: Final answer
    x = 1,658.13

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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.