Home / 4,138.99-5,711.83-2,250.59

Finding the Fourth Proportional to 4,138.99, 5,711.83 and 2,250.59

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Solution

The fourth proportional to 4,138.99, 5,711.83 and 2,250.59 is: 3,105.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.99 : 5,711.83 = 2,250.59 : x
  2. Step 2: Convert to fraction form
    4,138.99/5,711.83 = 2,250.59/x
  3. Step 3: Cross multiply
    4,138.99x = 5,711.83 × 2,250.59
  4. Step 4: Simplify right side
    4,138.99x = 12,855,004.57
  5. Step 5: Solve for x
    x = 12,855,004.57/4,138.99
  6. Step 6: Final answer
    x = 3,105.83

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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.