Home / 3,609.21-5,414.42-1,268.61

Finding the Fourth Proportional to 3,609.21, 5,414.42 and 1,268.61

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Solution

The fourth proportional to 3,609.21, 5,414.42 and 1,268.61 is: 1,903.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.21 : 5,414.42 = 1,268.61 : x
  2. Step 2: Convert to fraction form
    3,609.21/5,414.42 = 1,268.61/x
  3. Step 3: Cross multiply
    3,609.21x = 5,414.42 × 1,268.61
  4. Step 4: Simplify right side
    3,609.21x = 6,868,781.01
  5. Step 5: Solve for x
    x = 6,868,781.01/3,609.21
  6. Step 6: Final answer
    x = 1,903.13

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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.