Home / 2,262.83-3,391.92-1,286.87

Finding the Fourth Proportional to 2,262.83, 3,391.92 and 1,286.87

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Solution

The fourth proportional to 2,262.83, 3,391.92 and 1,286.87 is: 1,928.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.83 : 3,391.92 = 1,286.87 : x
  2. Step 2: Convert to fraction form
    2,262.83/3,391.92 = 1,286.87/x
  3. Step 3: Cross multiply
    2,262.83x = 3,391.92 × 1,286.87
  4. Step 4: Simplify right side
    2,262.83x = 4,364,960.09
  5. Step 5: Solve for x
    x = 4,364,960.09/2,262.83
  6. Step 6: Final answer
    x = 1,928.98

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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.