Home / 3,661.82-5,520.09-3,350.45

Finding the Fourth Proportional to 3,661.82, 5,520.09 and 3,350.45

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Solution

The fourth proportional to 3,661.82, 5,520.09 and 3,350.45 is: 5,050.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661.82 : 5,520.09 = 3,350.45 : x
  2. Step 2: Convert to fraction form
    3,661.82/5,520.09 = 3,350.45/x
  3. Step 3: Cross multiply
    3,661.82x = 5,520.09 × 3,350.45
  4. Step 4: Simplify right side
    3,661.82x = 18,494,785.54
  5. Step 5: Solve for x
    x = 18,494,785.54/3,661.82
  6. Step 6: Final answer
    x = 5,050.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.