Home / 4,138.59-5,711.37-2,250.30

Finding the Fourth Proportional to 4,138.59, 5,711.37 and 2,250.30

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Solution

The fourth proportional to 4,138.59, 5,711.37 and 2,250.30 is: 3,105.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.59 : 5,711.37 = 2,250.30 : x
  2. Step 2: Convert to fraction form
    4,138.59/5,711.37 = 2,250.30/x
  3. Step 3: Cross multiply
    4,138.59x = 5,711.37 × 2,250.30
  4. Step 4: Simplify right side
    4,138.59x = 12,852,295.91
  5. Step 5: Solve for x
    x = 12,852,295.91/4,138.59
  6. Step 6: Final answer
    x = 3,105.48

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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.