Home / 1,966.21-2,713.43-1,082.07

Finding the Fourth Proportional to 1,966.21, 2,713.43 and 1,082.07

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Solution

The fourth proportional to 1,966.21, 2,713.43 and 1,082.07 is: 1,493.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.21 : 2,713.43 = 1,082.07 : x
  2. Step 2: Convert to fraction form
    1,966.21/2,713.43 = 1,082.07/x
  3. Step 3: Cross multiply
    1,966.21x = 2,713.43 × 1,082.07
  4. Step 4: Simplify right side
    1,966.21x = 2,936,121.20
  5. Step 5: Solve for x
    x = 2,936,121.20/1,966.21
  6. Step 6: Final answer
    x = 1,493.29

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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.