Home / 1,966.38-2,713.61-1,180.43

Finding the Fourth Proportional to 1,966.38, 2,713.61 and 1,180.43

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Solution

The fourth proportional to 1,966.38, 2,713.61 and 1,180.43 is: 1,628.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.38 : 2,713.61 = 1,180.43 : x
  2. Step 2: Convert to fraction form
    1,966.38/2,713.61 = 1,180.43/x
  3. Step 3: Cross multiply
    1,966.38x = 2,713.61 × 1,180.43
  4. Step 4: Simplify right side
    1,966.38x = 3,203,207.18
  5. Step 5: Solve for x
    x = 3,203,207.18/1,966.38
  6. Step 6: Final answer
    x = 1,628.99

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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.