Home / 2,440.20-3,660.60-796.30

Finding the Fourth Proportional to 2,440.20, 3,660.60 and 796.30

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Solution

The fourth proportional to 2,440.20, 3,660.60 and 796.30 is: 1,194.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.20 : 3,660.60 = 796.30 : x
  2. Step 2: Convert to fraction form
    2,440.20/3,660.60 = 796.30/x
  3. Step 3: Cross multiply
    2,440.20x = 3,660.60 × 796.30
  4. Step 4: Simplify right side
    2,440.20x = 2,914,935.78
  5. Step 5: Solve for x
    x = 2,914,935.78/2,440.20
  6. Step 6: Final answer
    x = 1,194.55

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1.5x scale

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.