Home / 3,661.38-5,052.66-1,982.79

Finding the Fourth Proportional to 3,661.38, 5,052.66 and 1,982.79

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Solution

The fourth proportional to 3,661.38, 5,052.66 and 1,982.79 is: 2,736.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661.38 : 5,052.66 = 1,982.79 : x
  2. Step 2: Convert to fraction form
    3,661.38/5,052.66 = 1,982.79/x
  3. Step 3: Cross multiply
    3,661.38x = 5,052.66 × 1,982.79
  4. Step 4: Simplify right side
    3,661.38x = 10,018,363.72
  5. Step 5: Solve for x
    x = 10,018,363.72/3,661.38
  6. Step 6: Final answer
    x = 2,736.23

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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.