Home / 3,850.45-5,313.62-2,082.05

Finding the Fourth Proportional to 3,850.45, 5,313.62 and 2,082.05

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Solution

The fourth proportional to 3,850.45, 5,313.62 and 2,082.05 is: 2,873.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850.45 : 5,313.62 = 2,082.05 : x
  2. Step 2: Convert to fraction form
    3,850.45/5,313.62 = 2,082.05/x
  3. Step 3: Cross multiply
    3,850.45x = 5,313.62 × 2,082.05
  4. Step 4: Simplify right side
    3,850.45x = 11,063,221.08
  5. Step 5: Solve for x
    x = 11,063,221.08/3,850.45
  6. Step 6: Final answer
    x = 2,873.23

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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.