Home / 3,380.44-4,663.92-2,201.80

Finding the Fourth Proportional to 3,380.44, 4,663.92 and 2,201.80

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Solution

The fourth proportional to 3,380.44, 4,663.92 and 2,201.80 is: 3,037.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.44 : 4,663.92 = 2,201.80 : x
  2. Step 2: Convert to fraction form
    3,380.44/4,663.92 = 2,201.80/x
  3. Step 3: Cross multiply
    3,380.44x = 4,663.92 × 2,201.80
  4. Step 4: Simplify right side
    3,380.44x = 10,269,019.06
  5. Step 5: Solve for x
    x = 10,269,019.06/3,380.44
  6. Step 6: Final answer
    x = 3,037.78

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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.