Home / 3,767.28-5,650.92-3,280.68

Finding the Fourth Proportional to 3,767.28, 5,650.92 and 3,280.68

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Solution

The fourth proportional to 3,767.28, 5,650.92 and 3,280.68 is: 4,921.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,767.28 : 5,650.92 = 3,280.68 : x
  2. Step 2: Convert to fraction form
    3,767.28/5,650.92 = 3,280.68/x
  3. Step 3: Cross multiply
    3,767.28x = 5,650.92 × 3,280.68
  4. Step 4: Simplify right side
    3,767.28x = 18,538,860.23
  5. Step 5: Solve for x
    x = 18,538,860.23/3,767.28
  6. Step 6: Final answer
    x = 4,921.02

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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.