Home / 3,965.52-5,470.68-2,286.54

Finding the Fourth Proportional to 3,965.52, 5,470.68 and 2,286.54

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Solution

The fourth proportional to 3,965.52, 5,470.68 and 2,286.54 is: 3,154.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.52 : 5,470.68 = 2,286.54 : x
  2. Step 2: Convert to fraction form
    3,965.52/5,470.68 = 2,286.54/x
  3. Step 3: Cross multiply
    3,965.52x = 5,470.68 × 2,286.54
  4. Step 4: Simplify right side
    3,965.52x = 12,508,928.65
  5. Step 5: Solve for x
    x = 12,508,928.65/3,965.52
  6. Step 6: Final answer
    x = 3,154.42

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Why These Related Problems?

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