Home / 3,773.20-5,206.80-2,200.72

Finding the Fourth Proportional to 3,773.20, 5,206.80 and 2,200.72

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Solution

The fourth proportional to 3,773.20, 5,206.80 and 2,200.72 is: 3,036.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,773.20 : 5,206.80 = 2,200.72 : x
  2. Step 2: Convert to fraction form
    3,773.20/5,206.80 = 2,200.72/x
  3. Step 3: Cross multiply
    3,773.20x = 5,206.80 × 2,200.72
  4. Step 4: Simplify right side
    3,773.20x = 11,458,708.90
  5. Step 5: Solve for x
    x = 11,458,708.90/3,773.20
  6. Step 6: Final answer
    x = 3,036.87

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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.