Home / 3,223.97-4,446.56-2,161.39

Finding the Fourth Proportional to 3,223.97, 4,446.56 and 2,161.39

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Solution

The fourth proportional to 3,223.97, 4,446.56 and 2,161.39 is: 2,981.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,223.97 : 4,446.56 = 2,161.39 : x
  2. Step 2: Convert to fraction form
    3,223.97/4,446.56 = 2,161.39/x
  3. Step 3: Cross multiply
    3,223.97x = 4,446.56 × 2,161.39
  4. Step 4: Simplify right side
    3,223.97x = 9,610,728.09
  5. Step 5: Solve for x
    x = 9,610,728.09/3,223.97
  6. Step 6: Final answer
    x = 2,981.02

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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.