Home / 3,964.82-5,471.44-2,196.54

Finding the Fourth Proportional to 3,964.82, 5,471.44 and 2,196.54

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Solution

The fourth proportional to 3,964.82, 5,471.44 and 2,196.54 is: 3,031.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.82 : 5,471.44 = 2,196.54 : x
  2. Step 2: Convert to fraction form
    3,964.82/5,471.44 = 2,196.54/x
  3. Step 3: Cross multiply
    3,964.82x = 5,471.44 × 2,196.54
  4. Step 4: Simplify right side
    3,964.82x = 12,018,209.46
  5. Step 5: Solve for x
    x = 12,018,209.46/3,964.82
  6. Step 6: Final answer
    x = 3,031.22

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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.