Home / 1,964.94-2,711.60-1,080.74

Finding the Fourth Proportional to 1,964.94, 2,711.60 and 1,080.74

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Solution

The fourth proportional to 1,964.94, 2,711.60 and 1,080.74 is: 1,491.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964.94 : 2,711.60 = 1,080.74 : x
  2. Step 2: Convert to fraction form
    1,964.94/2,711.60 = 1,080.74/x
  3. Step 3: Cross multiply
    1,964.94x = 2,711.60 × 1,080.74
  4. Step 4: Simplify right side
    1,964.94x = 2,930,534.58
  5. Step 5: Solve for x
    x = 2,930,534.58/1,964.94
  6. Step 6: Final answer
    x = 1,491.41

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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.