Home / 2,229.41-3,343.17-1,189.19

Finding the Fourth Proportional to 2,229.41, 3,343.17 and 1,189.19

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Solution

The fourth proportional to 2,229.41, 3,343.17 and 1,189.19 is: 1,783.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229.41 : 3,343.17 = 1,189.19 : x
  2. Step 2: Convert to fraction form
    2,229.41/3,343.17 = 1,189.19/x
  3. Step 3: Cross multiply
    2,229.41x = 3,343.17 × 1,189.19
  4. Step 4: Simplify right side
    2,229.41x = 3,975,677.15
  5. Step 5: Solve for x
    x = 3,975,677.15/2,229.41
  6. Step 6: Final answer
    x = 1,783.28

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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.