Home / 3,961.29-5,466.67-2,168.94

Finding the Fourth Proportional to 3,961.29, 5,466.67 and 2,168.94

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Solution

The fourth proportional to 3,961.29, 5,466.67 and 2,168.94 is: 2,993.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.29 : 5,466.67 = 2,168.94 : x
  2. Step 2: Convert to fraction form
    3,961.29/5,466.67 = 2,168.94/x
  3. Step 3: Cross multiply
    3,961.29x = 5,466.67 × 2,168.94
  4. Step 4: Simplify right side
    3,961.29x = 11,856,879.23
  5. Step 5: Solve for x
    x = 11,856,879.23/3,961.29
  6. Step 6: Final answer
    x = 2,993.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.