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Finding the Fourth Proportional to 3,441.89, 5,162.86 and 844.83

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Solution

The fourth proportional to 3,441.89, 5,162.86 and 844.83 is: 1,267.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,441.89 : 5,162.86 = 844.83 : x
  2. Step 2: Convert to fraction form
    3,441.89/5,162.86 = 844.83/x
  3. Step 3: Cross multiply
    3,441.89x = 5,162.86 × 844.83
  4. Step 4: Simplify right side
    3,441.89x = 4,361,739.01
  5. Step 5: Solve for x
    x = 4,361,739.01/3,441.89
  6. Step 6: Final answer
    x = 1,267.25

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Double scale
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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.