Home / 3,850.27-5,313.33-2,171.63

Finding the Fourth Proportional to 3,850.27, 5,313.33 and 2,171.63

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Solution

The fourth proportional to 3,850.27, 5,313.33 and 2,171.63 is: 2,996.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850.27 : 5,313.33 = 2,171.63 : x
  2. Step 2: Convert to fraction form
    3,850.27/5,313.33 = 2,171.63/x
  3. Step 3: Cross multiply
    3,850.27x = 5,313.33 × 2,171.63
  4. Step 4: Simplify right side
    3,850.27x = 11,538,600.11
  5. Step 5: Solve for x
    x = 11,538,600.11/3,850.27
  6. Step 6: Final answer
    x = 2,996.83

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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.