Home / 2,082.36-3,125.10-850.22

Finding the Fourth Proportional to 2,082.36, 3,125.10 and 850.22

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Solution

The fourth proportional to 2,082.36, 3,125.10 and 850.22 is: 1,275.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,082.36 : 3,125.10 = 850.22 : x
  2. Step 2: Convert to fraction form
    2,082.36/3,125.10 = 850.22/x
  3. Step 3: Cross multiply
    2,082.36x = 3,125.10 × 850.22
  4. Step 4: Simplify right side
    2,082.36x = 2,657,022.52
  5. Step 5: Solve for x
    x = 2,657,022.52/2,082.36
  6. Step 6: Final answer
    x = 1,275.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.