Home / 3,689.80-5,531.46-2,046.04

Finding the Fourth Proportional to 3,689.80, 5,531.46 and 2,046.04

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Solution

The fourth proportional to 3,689.80, 5,531.46 and 2,046.04 is: 3,067.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689.80 : 5,531.46 = 2,046.04 : x
  2. Step 2: Convert to fraction form
    3,689.80/5,531.46 = 2,046.04/x
  3. Step 3: Cross multiply
    3,689.80x = 5,531.46 × 2,046.04
  4. Step 4: Simplify right side
    3,689.80x = 11,317,588.42
  5. Step 5: Solve for x
    x = 11,317,588.42/3,689.80
  6. Step 6: Final answer
    x = 3,067.26

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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.