Home / 2,112.96-3,169.80-796.60

Finding the Fourth Proportional to 2,112.96, 3,169.80 and 796.60

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Solution

The fourth proportional to 2,112.96, 3,169.80 and 796.60 is: 1,195.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112.96 : 3,169.80 = 796.60 : x
  2. Step 2: Convert to fraction form
    2,112.96/3,169.80 = 796.60/x
  3. Step 3: Cross multiply
    2,112.96x = 3,169.80 × 796.60
  4. Step 4: Simplify right side
    2,112.96x = 2,525,062.68
  5. Step 5: Solve for x
    x = 2,525,062.68/2,112.96
  6. Step 6: Final answer
    x = 1,195.04

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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.