Home / 2,253.92-3,379.32-1,212.87

Finding the Fourth Proportional to 2,253.92, 3,379.32 and 1,212.87

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Solution

The fourth proportional to 2,253.92, 3,379.32 and 1,212.87 is: 1,818.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.92 : 3,379.32 = 1,212.87 : x
  2. Step 2: Convert to fraction form
    2,253.92/3,379.32 = 1,212.87/x
  3. Step 3: Cross multiply
    2,253.92x = 3,379.32 × 1,212.87
  4. Step 4: Simplify right side
    2,253.92x = 4,098,675.85
  5. Step 5: Solve for x
    x = 4,098,675.85/2,253.92
  6. Step 6: Final answer
    x = 1,818.47

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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.