Home / 3,480.80-5,229.36-2,250.68

Finding the Fourth Proportional to 3,480.80, 5,229.36 and 2,250.68

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Solution

The fourth proportional to 3,480.80, 5,229.36 and 2,250.68 is: 3,381.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480.80 : 5,229.36 = 2,250.68 : x
  2. Step 2: Convert to fraction form
    3,480.80/5,229.36 = 2,250.68/x
  3. Step 3: Cross multiply
    3,480.80x = 5,229.36 × 2,250.68
  4. Step 4: Simplify right side
    3,480.80x = 11,769,589.82
  5. Step 5: Solve for x
    x = 11,769,589.82/3,480.80
  6. Step 6: Final answer
    x = 3,381.29

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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.