Home / 1,966.28-2,713.53-1,082.18

Finding the Fourth Proportional to 1,966.28, 2,713.53 and 1,082.18

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Solution

The fourth proportional to 1,966.28, 2,713.53 and 1,082.18 is: 1,493.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.28 : 2,713.53 = 1,082.18 : x
  2. Step 2: Convert to fraction form
    1,966.28/2,713.53 = 1,082.18/x
  3. Step 3: Cross multiply
    1,966.28x = 2,713.53 × 1,082.18
  4. Step 4: Simplify right side
    1,966.28x = 2,936,527.90
  5. Step 5: Solve for x
    x = 2,936,527.90/1,966.28
  6. Step 6: Final answer
    x = 1,493.44

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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.