Home / 3,972.69-5,481.86-2,204.01

Finding the Fourth Proportional to 3,972.69, 5,481.86 and 2,204.01

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Solution

The fourth proportional to 3,972.69, 5,481.86 and 2,204.01 is: 3,041.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.69 : 5,481.86 = 2,204.01 : x
  2. Step 2: Convert to fraction form
    3,972.69/5,481.86 = 2,204.01/x
  3. Step 3: Cross multiply
    3,972.69x = 5,481.86 × 2,204.01
  4. Step 4: Simplify right side
    3,972.69x = 12,082,063.24
  5. Step 5: Solve for x
    x = 12,082,063.24/3,972.69
  6. Step 6: Final answer
    x = 3,041.28

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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.