Home / 3,105.26-4,659.49-1,375.10

Finding the Fourth Proportional to 3,105.26, 4,659.49 and 1,375.10

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Solution

The fourth proportional to 3,105.26, 4,659.49 and 1,375.10 is: 2,063.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105.26 : 4,659.49 = 1,375.10 : x
  2. Step 2: Convert to fraction form
    3,105.26/4,659.49 = 1,375.10/x
  3. Step 3: Cross multiply
    3,105.26x = 4,659.49 × 1,375.10
  4. Step 4: Simplify right side
    3,105.26x = 6,407,264.70
  5. Step 5: Solve for x
    x = 6,407,264.70/3,105.26
  6. Step 6: Final answer
    x = 2,063.36

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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.