Home / 3,450.26-5,174.89-1,109.96

Finding the Fourth Proportional to 3,450.26, 5,174.89 and 1,109.96

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Solution

The fourth proportional to 3,450.26, 5,174.89 and 1,109.96 is: 1,664.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.26 : 5,174.89 = 1,109.96 : x
  2. Step 2: Convert to fraction form
    3,450.26/5,174.89 = 1,109.96/x
  3. Step 3: Cross multiply
    3,450.26x = 5,174.89 × 1,109.96
  4. Step 4: Simplify right side
    3,450.26x = 5,743,920.90
  5. Step 5: Solve for x
    x = 5,743,920.90/3,450.26
  6. Step 6: Final answer
    x = 1,664.78

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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.