Home / 3,936.12-5,904.18-3,765.29

Finding the Fourth Proportional to 3,936.12, 5,904.18 and 3,765.29

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Solution

The fourth proportional to 3,936.12, 5,904.18 and 3,765.29 is: 5,647.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.12 : 5,904.18 = 3,765.29 : x
  2. Step 2: Convert to fraction form
    3,936.12/5,904.18 = 3,765.29/x
  3. Step 3: Cross multiply
    3,936.12x = 5,904.18 × 3,765.29
  4. Step 4: Simplify right side
    3,936.12x = 22,230,949.91
  5. Step 5: Solve for x
    x = 22,230,949.91/3,936.12
  6. Step 6: Final answer
    x = 5,647.94

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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.