Home / 3,702.89-5,101.20-2,581.80

Finding the Fourth Proportional to 3,702.89, 5,101.20 and 2,581.80

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Solution

The fourth proportional to 3,702.89, 5,101.20 and 2,581.80 is: 3,556.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,702.89 : 5,101.20 = 2,581.80 : x
  2. Step 2: Convert to fraction form
    3,702.89/5,101.20 = 2,581.80/x
  3. Step 3: Cross multiply
    3,702.89x = 5,101.20 × 2,581.80
  4. Step 4: Simplify right side
    3,702.89x = 13,170,278.16
  5. Step 5: Solve for x
    x = 13,170,278.16/3,702.89
  6. Step 6: Final answer
    x = 3,556.76

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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.