Home / 2,229.95-3,343.71-1,191.13

Finding the Fourth Proportional to 2,229.95, 3,343.71 and 1,191.13

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Solution

The fourth proportional to 2,229.95, 3,343.71 and 1,191.13 is: 1,786.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229.95 : 3,343.71 = 1,191.13 : x
  2. Step 2: Convert to fraction form
    2,229.95/3,343.71 = 1,191.13/x
  3. Step 3: Cross multiply
    2,229.95x = 3,343.71 × 1,191.13
  4. Step 4: Simplify right side
    2,229.95x = 3,982,793.29
  5. Step 5: Solve for x
    x = 3,982,793.29/2,229.95
  6. Step 6: Final answer
    x = 1,786.05

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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.