Home / 4,138.91-5,711.80-2,250.62

Finding the Fourth Proportional to 4,138.91, 5,711.80 and 2,250.62

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Solution

The fourth proportional to 4,138.91, 5,711.80 and 2,250.62 is: 3,105.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.91 : 5,711.80 = 2,250.62 : x
  2. Step 2: Convert to fraction form
    4,138.91/5,711.80 = 2,250.62/x
  3. Step 3: Cross multiply
    4,138.91x = 5,711.80 × 2,250.62
  4. Step 4: Simplify right side
    4,138.91x = 12,855,091.32
  5. Step 5: Solve for x
    x = 12,855,091.32/4,138.91
  6. Step 6: Final answer
    x = 3,105.91

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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.