Home / 4,138.82-5,711.56-2,250.39

Finding the Fourth Proportional to 4,138.82, 5,711.56 and 2,250.39

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Solution

The fourth proportional to 4,138.82, 5,711.56 and 2,250.39 is: 3,105.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.82 : 5,711.56 = 2,250.39 : x
  2. Step 2: Convert to fraction form
    4,138.82/5,711.56 = 2,250.39/x
  3. Step 3: Cross multiply
    4,138.82x = 5,711.56 × 2,250.39
  4. Step 4: Simplify right side
    4,138.82x = 12,853,237.51
  5. Step 5: Solve for x
    x = 12,853,237.51/4,138.82
  6. Step 6: Final answer
    x = 3,105.53

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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.