Home / 4,101.57-6,141.42-2,149.68

Finding the Fourth Proportional to 4,101.57, 6,141.42 and 2,149.68

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Solution

The fourth proportional to 4,101.57, 6,141.42 and 2,149.68 is: 3,218.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,101.57 : 6,141.42 = 2,149.68 : x
  2. Step 2: Convert to fraction form
    4,101.57/6,141.42 = 2,149.68/x
  3. Step 3: Cross multiply
    4,101.57x = 6,141.42 × 2,149.68
  4. Step 4: Simplify right side
    4,101.57x = 13,202,087.75
  5. Step 5: Solve for x
    x = 13,202,087.75/4,101.57
  6. Step 6: Final answer
    x = 3,218.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.