Home / 3,944.82-5,450.79-2,823.78

Finding the Fourth Proportional to 3,944.82, 5,450.79 and 2,823.78

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Solution

The fourth proportional to 3,944.82, 5,450.79 and 2,823.78 is: 3,901.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.82 : 5,450.79 = 2,823.78 : x
  2. Step 2: Convert to fraction form
    3,944.82/5,450.79 = 2,823.78/x
  3. Step 3: Cross multiply
    3,944.82x = 5,450.79 × 2,823.78
  4. Step 4: Simplify right side
    3,944.82x = 15,391,831.79
  5. Step 5: Solve for x
    x = 15,391,831.79/3,944.82
  6. Step 6: Final answer
    x = 3,901.78

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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.