Home / 1,964.94-2,711.85-1,179.42

Finding the Fourth Proportional to 1,964.94, 2,711.85 and 1,179.42

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Solution

The fourth proportional to 1,964.94, 2,711.85 and 1,179.42 is: 1,627.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964.94 : 2,711.85 = 1,179.42 : x
  2. Step 2: Convert to fraction form
    1,964.94/2,711.85 = 1,179.42/x
  3. Step 3: Cross multiply
    1,964.94x = 2,711.85 × 1,179.42
  4. Step 4: Simplify right side
    1,964.94x = 3,198,410.13
  5. Step 5: Solve for x
    x = 3,198,410.13/1,964.94
  6. Step 6: Final answer
    x = 1,627.74

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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.