Home / 2,180.11-3,270.41-794.09

Finding the Fourth Proportional to 2,180.11, 3,270.41 and 794.09

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Solution

The fourth proportional to 2,180.11, 3,270.41 and 794.09 is: 1,191.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180.11 : 3,270.41 = 794.09 : x
  2. Step 2: Convert to fraction form
    2,180.11/3,270.41 = 794.09/x
  3. Step 3: Cross multiply
    2,180.11x = 3,270.41 × 794.09
  4. Step 4: Simplify right side
    2,180.11x = 2,597,010.04
  5. Step 5: Solve for x
    x = 2,597,010.04/2,180.11
  6. Step 6: Final answer
    x = 1,191.23

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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.