Home / 1,964.97-2,711.66-1,080.84

Finding the Fourth Proportional to 1,964.97, 2,711.66 and 1,080.84

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Solution

The fourth proportional to 1,964.97, 2,711.66 and 1,080.84 is: 1,491.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964.97 : 2,711.66 = 1,080.84 : x
  2. Step 2: Convert to fraction form
    1,964.97/2,711.66 = 1,080.84/x
  3. Step 3: Cross multiply
    1,964.97x = 2,711.66 × 1,080.84
  4. Step 4: Simplify right side
    1,964.97x = 2,930,870.59
  5. Step 5: Solve for x
    x = 2,930,870.59/1,964.97
  6. Step 6: Final answer
    x = 1,491.56

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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.