Home / 2,134.12-2,945.82-1,250.22

Finding the Fourth Proportional to 2,134.12, 2,945.82 and 1,250.22

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Solution

The fourth proportional to 2,134.12, 2,945.82 and 1,250.22 is: 1,725.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134.12 : 2,945.82 = 1,250.22 : x
  2. Step 2: Convert to fraction form
    2,134.12/2,945.82 = 1,250.22/x
  3. Step 3: Cross multiply
    2,134.12x = 2,945.82 × 1,250.22
  4. Step 4: Simplify right side
    2,134.12x = 3,682,923.08
  5. Step 5: Solve for x
    x = 3,682,923.08/2,134.12
  6. Step 6: Final answer
    x = 1,725.73

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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.