Home / 3,661.08-5,042.16-3,163.56

Finding the Fourth Proportional to 3,661.08, 5,042.16 and 3,163.56

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Solution

The fourth proportional to 3,661.08, 5,042.16 and 3,163.56 is: 4,356.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661.08 : 5,042.16 = 3,163.56 : x
  2. Step 2: Convert to fraction form
    3,661.08/5,042.16 = 3,163.56/x
  3. Step 3: Cross multiply
    3,661.08x = 5,042.16 × 3,163.56
  4. Step 4: Simplify right side
    3,661.08x = 15,951,175.69
  5. Step 5: Solve for x
    x = 15,951,175.69/3,661.08
  6. Step 6: Final answer
    x = 4,356.96

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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.