Home / 2,744.40-4,116.60-796.80

Finding the Fourth Proportional to 2,744.40, 4,116.60 and 796.80

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Solution

The fourth proportional to 2,744.40, 4,116.60 and 796.80 is: 1,195.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,744.40 : 4,116.60 = 796.80 : x
  2. Step 2: Convert to fraction form
    2,744.40/4,116.60 = 796.80/x
  3. Step 3: Cross multiply
    2,744.40x = 4,116.60 × 796.80
  4. Step 4: Simplify right side
    2,744.40x = 3,280,106.88
  5. Step 5: Solve for x
    x = 3,280,106.88/2,744.40
  6. Step 6: Final answer
    x = 1,195.20

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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.