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Finding the Fourth Proportional to 3,976.83, 5,965.25 and 2,245.46

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Solution

The fourth proportional to 3,976.83, 5,965.25 and 2,245.46 is: 3,368.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.83 : 5,965.25 = 2,245.46 : x
  2. Step 2: Convert to fraction form
    3,976.83/5,965.25 = 2,245.46/x
  3. Step 3: Cross multiply
    3,976.83x = 5,965.25 × 2,245.46
  4. Step 4: Simplify right side
    3,976.83x = 13,394,689.21
  5. Step 5: Solve for x
    x = 13,394,689.21/3,976.83
  6. Step 6: Final answer
    x = 3,368.18

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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.