Home / 3,689.10-5,534.67-1,609.28

Finding the Fourth Proportional to 3,689.10, 5,534.67 and 1,609.28

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Solution

The fourth proportional to 3,689.10, 5,534.67 and 1,609.28 is: 2,414.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689.10 : 5,534.67 = 1,609.28 : x
  2. Step 2: Convert to fraction form
    3,689.10/5,534.67 = 1,609.28/x
  3. Step 3: Cross multiply
    3,689.10x = 5,534.67 × 1,609.28
  4. Step 4: Simplify right side
    3,689.10x = 8,906,833.74
  5. Step 5: Solve for x
    x = 8,906,833.74/3,689.10
  6. Step 6: Final answer
    x = 2,414.36

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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.