Home / 3,111.92-4,279.73-2,474.96

Finding the Fourth Proportional to 3,111.92, 4,279.73 and 2,474.96

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Solution

The fourth proportional to 3,111.92, 4,279.73 and 2,474.96 is: 3,403.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111.92 : 4,279.73 = 2,474.96 : x
  2. Step 2: Convert to fraction form
    3,111.92/4,279.73 = 2,474.96/x
  3. Step 3: Cross multiply
    3,111.92x = 4,279.73 × 2,474.96
  4. Step 4: Simplify right side
    3,111.92x = 10,592,126.79
  5. Step 5: Solve for x
    x = 10,592,126.79/3,111.92
  6. Step 6: Final answer
    x = 3,403.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.