Home / 3,761.12-5,646.60-2,519.66

Finding the Fourth Proportional to 3,761.12, 5,646.60 and 2,519.66

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Solution

The fourth proportional to 3,761.12, 5,646.60 and 2,519.66 is: 3,782.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.12 : 5,646.60 = 2,519.66 : x
  2. Step 2: Convert to fraction form
    3,761.12/5,646.60 = 2,519.66/x
  3. Step 3: Cross multiply
    3,761.12x = 5,646.60 × 2,519.66
  4. Step 4: Simplify right side
    3,761.12x = 14,227,483.92
  5. Step 5: Solve for x
    x = 14,227,483.92/3,761.12
  6. Step 6: Final answer
    x = 3,782.78

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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.