Home / 3,609.60-5,414.40-2,218.44

Finding the Fourth Proportional to 3,609.60, 5,414.40 and 2,218.44

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Solution

The fourth proportional to 3,609.60, 5,414.40 and 2,218.44 is: 3,327.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.60 : 5,414.40 = 2,218.44 : x
  2. Step 2: Convert to fraction form
    3,609.60/5,414.40 = 2,218.44/x
  3. Step 3: Cross multiply
    3,609.60x = 5,414.40 × 2,218.44
  4. Step 4: Simplify right side
    3,609.60x = 12,011,521.54
  5. Step 5: Solve for x
    x = 12,011,521.54/3,609.60
  6. Step 6: Final answer
    x = 3,327.66

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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.