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Finding the Fourth Proportional to 3,974.92, 5,952.92 and 2,215.56

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Solution

The fourth proportional to 3,974.92, 5,952.92 and 2,215.56 is: 3,318.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.92 : 5,952.92 = 2,215.56 : x
  2. Step 2: Convert to fraction form
    3,974.92/5,952.92 = 2,215.56/x
  3. Step 3: Cross multiply
    3,974.92x = 5,952.92 × 2,215.56
  4. Step 4: Simplify right side
    3,974.92x = 13,189,051.44
  5. Step 5: Solve for x
    x = 13,189,051.44/3,974.92
  6. Step 6: Final answer
    x = 3,318.07

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1.5x scale

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.