Home / 2,082.56-2,873.39-1,242.92

Finding the Fourth Proportional to 2,082.56, 2,873.39 and 1,242.92

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Solution

The fourth proportional to 2,082.56, 2,873.39 and 1,242.92 is: 1,714.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,082.56 : 2,873.39 = 1,242.92 : x
  2. Step 2: Convert to fraction form
    2,082.56/2,873.39 = 1,242.92/x
  3. Step 3: Cross multiply
    2,082.56x = 2,873.39 × 1,242.92
  4. Step 4: Simplify right side
    2,082.56x = 3,571,382.64
  5. Step 5: Solve for x
    x = 3,571,382.64/2,082.56
  6. Step 6: Final answer
    x = 1,714.90

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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.