Home / 3,446.52-4,757.85-2,121.36

Finding the Fourth Proportional to 3,446.52, 4,757.85 and 2,121.36

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Solution

The fourth proportional to 3,446.52, 4,757.85 and 2,121.36 is: 2,928.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,446.52 : 4,757.85 = 2,121.36 : x
  2. Step 2: Convert to fraction form
    3,446.52/4,757.85 = 2,121.36/x
  3. Step 3: Cross multiply
    3,446.52x = 4,757.85 × 2,121.36
  4. Step 4: Simplify right side
    3,446.52x = 10,093,112.68
  5. Step 5: Solve for x
    x = 10,093,112.68/3,446.52
  6. Step 6: Final answer
    x = 2,928.49

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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.