Home / 3,678.38-5,076.17-2,022.38

Finding the Fourth Proportional to 3,678.38, 5,076.17 and 2,022.38

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Solution

The fourth proportional to 3,678.38, 5,076.17 and 2,022.38 is: 2,790.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678.38 : 5,076.17 = 2,022.38 : x
  2. Step 2: Convert to fraction form
    3,678.38/5,076.17 = 2,022.38/x
  3. Step 3: Cross multiply
    3,678.38x = 5,076.17 × 2,022.38
  4. Step 4: Simplify right side
    3,678.38x = 10,265,944.68
  5. Step 5: Solve for x
    x = 10,265,944.68/3,678.38
  6. Step 6: Final answer
    x = 2,790.89

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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.