Home / 2,631.92-3,947.82-2,471.54

Finding the Fourth Proportional to 2,631.92, 3,947.82 and 2,471.54

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Solution

The fourth proportional to 2,631.92, 3,947.82 and 2,471.54 is: 3,707.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.92 : 3,947.82 = 2,471.54 : x
  2. Step 2: Convert to fraction form
    2,631.92/3,947.82 = 2,471.54/x
  3. Step 3: Cross multiply
    2,631.92x = 3,947.82 × 2,471.54
  4. Step 4: Simplify right side
    2,631.92x = 9,757,195.04
  5. Step 5: Solve for x
    x = 9,757,195.04/2,631.92
  6. Step 6: Final answer
    x = 3,707.25

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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.