Home / 3,961.88-5,467.38-2,389.66

Finding the Fourth Proportional to 3,961.88, 5,467.38 and 2,389.66

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Solution

The fourth proportional to 3,961.88, 5,467.38 and 2,389.66 is: 3,297.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.88 : 5,467.38 = 2,389.66 : x
  2. Step 2: Convert to fraction form
    3,961.88/5,467.38 = 2,389.66/x
  3. Step 3: Cross multiply
    3,961.88x = 5,467.38 × 2,389.66
  4. Step 4: Simplify right side
    3,961.88x = 13,065,179.29
  5. Step 5: Solve for x
    x = 13,065,179.29/3,961.88
  6. Step 6: Final answer
    x = 3,297.72

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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.