Home / 3,936.74-5,908.32-1,629.86

Finding the Fourth Proportional to 3,936.74, 5,908.32 and 1,629.86

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Solution

The fourth proportional to 3,936.74, 5,908.32 and 1,629.86 is: 2,446.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.74 : 5,908.32 = 1,629.86 : x
  2. Step 2: Convert to fraction form
    3,936.74/5,908.32 = 1,629.86/x
  3. Step 3: Cross multiply
    3,936.74x = 5,908.32 × 1,629.86
  4. Step 4: Simplify right side
    3,936.74x = 9,629,734.44
  5. Step 5: Solve for x
    x = 9,629,734.44/3,936.74
  6. Step 6: Final answer
    x = 2,446.12

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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.