Home / 3,972.68-5,481.48-2,294.06

Finding the Fourth Proportional to 3,972.68, 5,481.48 and 2,294.06

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Solution

The fourth proportional to 3,972.68, 5,481.48 and 2,294.06 is: 3,165.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.68 : 5,481.48 = 2,294.06 : x
  2. Step 2: Convert to fraction form
    3,972.68/5,481.48 = 2,294.06/x
  3. Step 3: Cross multiply
    3,972.68x = 5,481.48 × 2,294.06
  4. Step 4: Simplify right side
    3,972.68x = 12,574,844.01
  5. Step 5: Solve for x
    x = 12,574,844.01/3,972.68
  6. Step 6: Final answer
    x = 3,165.33

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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.