Home / 2,719.88-3,753.34-1,540.92

Finding the Fourth Proportional to 2,719.88, 3,753.34 and 1,540.92

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Solution

The fourth proportional to 2,719.88, 3,753.34 and 1,540.92 is: 2,126.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719.88 : 3,753.34 = 1,540.92 : x
  2. Step 2: Convert to fraction form
    2,719.88/3,753.34 = 1,540.92/x
  3. Step 3: Cross multiply
    2,719.88x = 3,753.34 × 1,540.92
  4. Step 4: Simplify right side
    2,719.88x = 5,783,606.90
  5. Step 5: Solve for x
    x = 5,783,606.90/2,719.88
  6. Step 6: Final answer
    x = 2,126.42

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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.