Home / 3,609.18-5,414.04-1,761.84

Finding the Fourth Proportional to 3,609.18, 5,414.04 and 1,761.84

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Solution

The fourth proportional to 3,609.18, 5,414.04 and 1,761.84 is: 2,642.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.18 : 5,414.04 = 1,761.84 : x
  2. Step 2: Convert to fraction form
    3,609.18/5,414.04 = 1,761.84/x
  3. Step 3: Cross multiply
    3,609.18x = 5,414.04 × 1,761.84
  4. Step 4: Simplify right side
    3,609.18x = 9,538,672.23
  5. Step 5: Solve for x
    x = 9,538,672.23/3,609.18
  6. Step 6: Final answer
    x = 2,642.89

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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.