Home / 3,381.22-5,072.12-1,189.96

Finding the Fourth Proportional to 3,381.22, 5,072.12 and 1,189.96

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Solution

The fourth proportional to 3,381.22, 5,072.12 and 1,189.96 is: 1,785.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.22 : 5,072.12 = 1,189.96 : x
  2. Step 2: Convert to fraction form
    3,381.22/5,072.12 = 1,189.96/x
  3. Step 3: Cross multiply
    3,381.22x = 5,072.12 × 1,189.96
  4. Step 4: Simplify right side
    3,381.22x = 6,035,619.92
  5. Step 5: Solve for x
    x = 6,035,619.92/3,381.22
  6. Step 6: Final answer
    x = 1,785.04

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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.