Home / 3,609.07-5,414.90-1,635.15

Finding the Fourth Proportional to 3,609.07, 5,414.90 and 1,635.15

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Solution

The fourth proportional to 3,609.07, 5,414.90 and 1,635.15 is: 2,453.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.07 : 5,414.90 = 1,635.15 : x
  2. Step 2: Convert to fraction form
    3,609.07/5,414.90 = 1,635.15/x
  3. Step 3: Cross multiply
    3,609.07x = 5,414.90 × 1,635.15
  4. Step 4: Simplify right side
    3,609.07x = 8,854,195.06
  5. Step 5: Solve for x
    x = 8,854,195.06/3,609.07
  6. Step 6: Final answer
    x = 2,453.32

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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.