Home / 3,098.26-4,645.88-2,161.65

Finding the Fourth Proportional to 3,098.26, 4,645.88 and 2,161.65

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Solution

The fourth proportional to 3,098.26, 4,645.88 and 2,161.65 is: 3,241.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.26 : 4,645.88 = 2,161.65 : x
  2. Step 2: Convert to fraction form
    3,098.26/4,645.88 = 2,161.65/x
  3. Step 3: Cross multiply
    3,098.26x = 4,645.88 × 2,161.65
  4. Step 4: Simplify right side
    3,098.26x = 10,042,773.12
  5. Step 5: Solve for x
    x = 10,042,773.12/3,098.26
  6. Step 6: Final answer
    x = 3,241.43

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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.