Home / 3,972.11-5,481.81-2,204.01

Finding the Fourth Proportional to 3,972.11, 5,481.81 and 2,204.01

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Solution

The fourth proportional to 3,972.11, 5,481.81 and 2,204.01 is: 3,041.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.11 : 5,481.81 = 2,204.01 : x
  2. Step 2: Convert to fraction form
    3,972.11/5,481.81 = 2,204.01/x
  3. Step 3: Cross multiply
    3,972.11x = 5,481.81 × 2,204.01
  4. Step 4: Simplify right side
    3,972.11x = 12,081,964.06
  5. Step 5: Solve for x
    x = 12,081,964.06/3,972.11
  6. Step 6: Final answer
    x = 3,041.70

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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.