Home / 4,138.88-5,711.41-2,250.46

Finding the Fourth Proportional to 4,138.88, 5,711.41 and 2,250.46

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Solution

The fourth proportional to 4,138.88, 5,711.41 and 2,250.46 is: 3,105.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.88 : 5,711.41 = 2,250.46 : x
  2. Step 2: Convert to fraction form
    4,138.88/5,711.41 = 2,250.46/x
  3. Step 3: Cross multiply
    4,138.88x = 5,711.41 × 2,250.46
  4. Step 4: Simplify right side
    4,138.88x = 12,853,288.28
  5. Step 5: Solve for x
    x = 12,853,288.28/4,138.88
  6. Step 6: Final answer
    x = 3,105.50

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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.