Home / 3,375-5,065.11-2,342.25

Finding the Fourth Proportional to 3,375, 5,065.11 and 2,342.25

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Solution

The fourth proportional to 3,375, 5,065.11 and 2,342.25 is: 3,515.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375 : 5,065.11 = 2,342.25 : x
  2. Step 2: Convert to fraction form
    3,375/5,065.11 = 2,342.25/x
  3. Step 3: Cross multiply
    3,375x = 5,065.11 × 2,342.25
  4. Step 4: Simplify right side
    3,375x = 11,863,753.90
  5. Step 5: Solve for x
    x = 11,863,753.90/3,375
  6. Step 6: Final answer
    x = 3,515.19

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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.