Home / 3,961.41-5,949.81-2,917.29

Finding the Fourth Proportional to 3,961.41, 5,949.81 and 2,917.29

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Solution

The fourth proportional to 3,961.41, 5,949.81 and 2,917.29 is: 4,381.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.41 : 5,949.81 = 2,917.29 : x
  2. Step 2: Convert to fraction form
    3,961.41/5,949.81 = 2,917.29/x
  3. Step 3: Cross multiply
    3,961.41x = 5,949.81 × 2,917.29
  4. Step 4: Simplify right side
    3,961.41x = 17,357,321.21
  5. Step 5: Solve for x
    x = 17,357,321.21/3,961.41
  6. Step 6: Final answer
    x = 4,381.60

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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.