Home / 3,921.19-5,876.25-2,166.98

Finding the Fourth Proportional to 3,921.19, 5,876.25 and 2,166.98

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Solution

The fourth proportional to 3,921.19, 5,876.25 and 2,166.98 is: 3,247.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.19 : 5,876.25 = 2,166.98 : x
  2. Step 2: Convert to fraction form
    3,921.19/5,876.25 = 2,166.98/x
  3. Step 3: Cross multiply
    3,921.19x = 5,876.25 × 2,166.98
  4. Step 4: Simplify right side
    3,921.19x = 12,733,716.23
  5. Step 5: Solve for x
    x = 12,733,716.23/3,921.19
  6. Step 6: Final answer
    x = 3,247.41

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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.