Home / 3,449.39-5,174.57-1,108.85

Finding the Fourth Proportional to 3,449.39, 5,174.57 and 1,108.85

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Solution

The fourth proportional to 3,449.39, 5,174.57 and 1,108.85 is: 1,663.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.39 : 5,174.57 = 1,108.85 : x
  2. Step 2: Convert to fraction form
    3,449.39/5,174.57 = 1,108.85/x
  3. Step 3: Cross multiply
    3,449.39x = 5,174.57 × 1,108.85
  4. Step 4: Simplify right side
    3,449.39x = 5,737,790.53
  5. Step 5: Solve for x
    x = 5,737,790.53/3,449.39
  6. Step 6: Final answer
    x = 1,663.42

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Half scale
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Double scale
Find fourth proportional to 3,450.39, 5,176.07 and 1,109.85
Similar ratio
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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.