Home / 2,162.19-3,241.19-1,174.11

Finding the Fourth Proportional to 2,162.19, 3,241.19 and 1,174.11

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Solution

The fourth proportional to 2,162.19, 3,241.19 and 1,174.11 is: 1,760.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162.19 : 3,241.19 = 1,174.11 : x
  2. Step 2: Convert to fraction form
    2,162.19/3,241.19 = 1,174.11/x
  3. Step 3: Cross multiply
    2,162.19x = 3,241.19 × 1,174.11
  4. Step 4: Simplify right side
    2,162.19x = 3,805,507.72
  5. Step 5: Solve for x
    x = 3,805,507.72/2,162.19
  6. Step 6: Final answer
    x = 1,760.02

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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.