Home / 3,247.28-4,480.17-1,830.79

Finding the Fourth Proportional to 3,247.28, 4,480.17 and 1,830.79

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Solution

The fourth proportional to 3,247.28, 4,480.17 and 1,830.79 is: 2,525.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.28 : 4,480.17 = 1,830.79 : x
  2. Step 2: Convert to fraction form
    3,247.28/4,480.17 = 1,830.79/x
  3. Step 3: Cross multiply
    3,247.28x = 4,480.17 × 1,830.79
  4. Step 4: Simplify right side
    3,247.28x = 8,202,218.88
  5. Step 5: Solve for x
    x = 8,202,218.88/3,247.28
  6. Step 6: Final answer
    x = 2,525.88

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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.