Home / 3,768.74-5,649.31-2,726.21

Finding the Fourth Proportional to 3,768.74, 5,649.31 and 2,726.21

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Solution

The fourth proportional to 3,768.74, 5,649.31 and 2,726.21 is: 4,086.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768.74 : 5,649.31 = 2,726.21 : x
  2. Step 2: Convert to fraction form
    3,768.74/5,649.31 = 2,726.21/x
  3. Step 3: Cross multiply
    3,768.74x = 5,649.31 × 2,726.21
  4. Step 4: Simplify right side
    3,768.74x = 15,401,191.17
  5. Step 5: Solve for x
    x = 15,401,191.17/3,768.74
  6. Step 6: Final answer
    x = 4,086.56

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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.