Home / 3,882.60-5,359.14-2,392.65

Finding the Fourth Proportional to 3,882.60, 5,359.14 and 2,392.65

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Solution

The fourth proportional to 3,882.60, 5,359.14 and 2,392.65 is: 3,302.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.60 : 5,359.14 = 2,392.65 : x
  2. Step 2: Convert to fraction form
    3,882.60/5,359.14 = 2,392.65/x
  3. Step 3: Cross multiply
    3,882.60x = 5,359.14 × 2,392.65
  4. Step 4: Simplify right side
    3,882.60x = 12,822,546.32
  5. Step 5: Solve for x
    x = 12,822,546.32/3,882.60
  6. Step 6: Final answer
    x = 3,302.57

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1.5x scale

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.