Home / 2,441.30-3,662.76-979.70

Finding the Fourth Proportional to 2,441.30, 3,662.76 and 979.70

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Solution

The fourth proportional to 2,441.30, 3,662.76 and 979.70 is: 1,469.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,441.30 : 3,662.76 = 979.70 : x
  2. Step 2: Convert to fraction form
    2,441.30/3,662.76 = 979.70/x
  3. Step 3: Cross multiply
    2,441.30x = 3,662.76 × 979.70
  4. Step 4: Simplify right side
    2,441.30x = 3,588,405.97
  5. Step 5: Solve for x
    x = 3,588,405.97/2,441.30
  6. Step 6: Final answer
    x = 1,469.88

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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.