Home / 1,966.25-2,713.36-1,082

Finding the Fourth Proportional to 1,966.25, 2,713.36 and 1,082

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Solution

The fourth proportional to 1,966.25, 2,713.36 and 1,082 is: 1,493.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.25 : 2,713.36 = 1,082 : x
  2. Step 2: Convert to fraction form
    1,966.25/2,713.36 = 1,082/x
  3. Step 3: Cross multiply
    1,966.25x = 2,713.36 × 1,082
  4. Step 4: Simplify right side
    1,966.25x = 2,935,855.52
  5. Step 5: Solve for x
    x = 2,935,855.52/1,966.25
  6. Step 6: Final answer
    x = 1,493.12

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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.