Home / 4,138.67-5,711.40-2,250.29

Finding the Fourth Proportional to 4,138.67, 5,711.40 and 2,250.29

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Solution

The fourth proportional to 4,138.67, 5,711.40 and 2,250.29 is: 3,105.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.67 : 5,711.40 = 2,250.29 : x
  2. Step 2: Convert to fraction form
    4,138.67/5,711.40 = 2,250.29/x
  3. Step 3: Cross multiply
    4,138.67x = 5,711.40 × 2,250.29
  4. Step 4: Simplify right side
    4,138.67x = 12,852,320.58
  5. Step 5: Solve for x
    x = 12,852,320.58/4,138.67
  6. Step 6: Final answer
    x = 3,105.42

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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.