Home / 3,489.54-4,813.92-2,229.94

Finding the Fourth Proportional to 3,489.54, 4,813.92 and 2,229.94

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Solution

The fourth proportional to 3,489.54, 4,813.92 and 2,229.94 is: 3,076.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.54 : 4,813.92 = 2,229.94 : x
  2. Step 2: Convert to fraction form
    3,489.54/4,813.92 = 2,229.94/x
  3. Step 3: Cross multiply
    3,489.54x = 4,813.92 × 2,229.94
  4. Step 4: Simplify right side
    3,489.54x = 10,734,752.76
  5. Step 5: Solve for x
    x = 10,734,752.76/3,489.54
  6. Step 6: Final answer
    x = 3,076.27

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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.