Home / 3,418.26-5,129.24-3,170.40

Finding the Fourth Proportional to 3,418.26, 5,129.24 and 3,170.40

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Solution

The fourth proportional to 3,418.26, 5,129.24 and 3,170.40 is: 4,757.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.26 : 5,129.24 = 3,170.40 : x
  2. Step 2: Convert to fraction form
    3,418.26/5,129.24 = 3,170.40/x
  3. Step 3: Cross multiply
    3,418.26x = 5,129.24 × 3,170.40
  4. Step 4: Simplify right side
    3,418.26x = 16,261,726.64
  5. Step 5: Solve for x
    x = 16,261,726.64/3,418.26
  6. Step 6: Final answer
    x = 4,757.31

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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.