Home / 3,144.92-4,338.78-2,025.77

Finding the Fourth Proportional to 3,144.92, 4,338.78 and 2,025.77

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Solution

The fourth proportional to 3,144.92, 4,338.78 and 2,025.77 is: 2,794.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.92 : 4,338.78 = 2,025.77 : x
  2. Step 2: Convert to fraction form
    3,144.92/4,338.78 = 2,025.77/x
  3. Step 3: Cross multiply
    3,144.92x = 4,338.78 × 2,025.77
  4. Step 4: Simplify right side
    3,144.92x = 8,789,370.36
  5. Step 5: Solve for x
    x = 8,789,370.36/3,144.92
  6. Step 6: Final answer
    x = 2,794.78

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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.