Home / 2,719.86-4,081.16-2,027.92

Finding the Fourth Proportional to 2,719.86, 4,081.16 and 2,027.92

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Solution

The fourth proportional to 2,719.86, 4,081.16 and 2,027.92 is: 3,042.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719.86 : 4,081.16 = 2,027.92 : x
  2. Step 2: Convert to fraction form
    2,719.86/4,081.16 = 2,027.92/x
  3. Step 3: Cross multiply
    2,719.86x = 4,081.16 × 2,027.92
  4. Step 4: Simplify right side
    2,719.86x = 8,276,262.80
  5. Step 5: Solve for x
    x = 8,276,262.80/2,719.86
  6. Step 6: Final answer
    x = 3,042.90

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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.