Home / 2,857.41-3,944.66-2,704.80

Finding the Fourth Proportional to 2,857.41, 3,944.66 and 2,704.80

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Solution

The fourth proportional to 2,857.41, 3,944.66 and 2,704.80 is: 3,733.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857.41 : 3,944.66 = 2,704.80 : x
  2. Step 2: Convert to fraction form
    2,857.41/3,944.66 = 2,704.80/x
  3. Step 3: Cross multiply
    2,857.41x = 3,944.66 × 2,704.80
  4. Step 4: Simplify right side
    2,857.41x = 10,669,503.41
  5. Step 5: Solve for x
    x = 10,669,503.41/2,857.41
  6. Step 6: Final answer
    x = 3,733.97

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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.