Home / 2,517.03-3,776.22-1,791.21

Finding the Fourth Proportional to 2,517.03, 3,776.22 and 1,791.21

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Solution

The fourth proportional to 2,517.03, 3,776.22 and 1,791.21 is: 2,687.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517.03 : 3,776.22 = 1,791.21 : x
  2. Step 2: Convert to fraction form
    2,517.03/3,776.22 = 1,791.21/x
  3. Step 3: Cross multiply
    2,517.03x = 3,776.22 × 1,791.21
  4. Step 4: Simplify right side
    2,517.03x = 6,764,003.03
  5. Step 5: Solve for x
    x = 6,764,003.03/2,517.03
  6. Step 6: Final answer
    x = 2,687.30

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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.