Home / 3,961.72-5,467.26-2,169.27

Finding the Fourth Proportional to 3,961.72, 5,467.26 and 2,169.27

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Solution

The fourth proportional to 3,961.72, 5,467.26 and 2,169.27 is: 2,993.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.72 : 5,467.26 = 2,169.27 : x
  2. Step 2: Convert to fraction form
    3,961.72/5,467.26 = 2,169.27/x
  3. Step 3: Cross multiply
    3,961.72x = 5,467.26 × 2,169.27
  4. Step 4: Simplify right side
    3,961.72x = 11,859,968.31
  5. Step 5: Solve for x
    x = 11,859,968.31/3,961.72
  6. Step 6: Final answer
    x = 2,993.64

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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.