Home / 3,702.12-5,108.30-2,375.56

Finding the Fourth Proportional to 3,702.12, 5,108.30 and 2,375.56

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Solution

The fourth proportional to 3,702.12, 5,108.30 and 2,375.56 is: 3,277.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,702.12 : 5,108.30 = 2,375.56 : x
  2. Step 2: Convert to fraction form
    3,702.12/5,108.30 = 2,375.56/x
  3. Step 3: Cross multiply
    3,702.12x = 5,108.30 × 2,375.56
  4. Step 4: Simplify right side
    3,702.12x = 12,135,073.15
  5. Step 5: Solve for x
    x = 12,135,073.15/3,702.12
  6. Step 6: Final answer
    x = 3,277.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.