Home / 3,609.29-5,414.54-1,269.20

Finding the Fourth Proportional to 3,609.29, 5,414.54 and 1,269.20

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Solution

The fourth proportional to 3,609.29, 5,414.54 and 1,269.20 is: 1,904.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.29 : 5,414.54 = 1,269.20 : x
  2. Step 2: Convert to fraction form
    3,609.29/5,414.54 = 1,269.20/x
  3. Step 3: Cross multiply
    3,609.29x = 5,414.54 × 1,269.20
  4. Step 4: Simplify right side
    3,609.29x = 6,872,100.75
  5. Step 5: Solve for x
    x = 6,872,100.75/3,609.29
  6. Step 6: Final answer
    x = 1,904.01

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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.