Home / 3,972.51-5,481.81-2,204.11

Finding the Fourth Proportional to 3,972.51, 5,481.81 and 2,204.11

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Solution

The fourth proportional to 3,972.51, 5,481.81 and 2,204.11 is: 3,041.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.51 : 5,481.81 = 2,204.11 : x
  2. Step 2: Convert to fraction form
    3,972.51/5,481.81 = 2,204.11/x
  3. Step 3: Cross multiply
    3,972.51x = 5,481.81 × 2,204.11
  4. Step 4: Simplify right side
    3,972.51x = 12,082,519.09
  5. Step 5: Solve for x
    x = 12,082,519.09/3,972.51
  6. Step 6: Final answer
    x = 3,041.53

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1.5x scale

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.