Home / 2,441.10-3,662.68-979.90

Finding the Fourth Proportional to 2,441.10, 3,662.68 and 979.90

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Solution

The fourth proportional to 2,441.10, 3,662.68 and 979.90 is: 1,470.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,441.10 : 3,662.68 = 979.90 : x
  2. Step 2: Convert to fraction form
    2,441.10/3,662.68 = 979.90/x
  3. Step 3: Cross multiply
    2,441.10x = 3,662.68 × 979.90
  4. Step 4: Simplify right side
    2,441.10x = 3,589,060.13
  5. Step 5: Solve for x
    x = 3,589,060.13/2,441.10
  6. Step 6: Final answer
    x = 1,470.26

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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.