Home / 2,719.92-3,753.36-1,540.96

Finding the Fourth Proportional to 2,719.92, 3,753.36 and 1,540.96

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Solution

The fourth proportional to 2,719.92, 3,753.36 and 1,540.96 is: 2,126.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719.92 : 3,753.36 = 1,540.96 : x
  2. Step 2: Convert to fraction form
    2,719.92/3,753.36 = 1,540.96/x
  3. Step 3: Cross multiply
    2,719.92x = 3,753.36 × 1,540.96
  4. Step 4: Simplify right side
    2,719.92x = 5,783,777.63
  5. Step 5: Solve for x
    x = 5,783,777.63/2,719.92
  6. Step 6: Final answer
    x = 2,126.45

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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.