Home / 1,964.25-2,711.04-1,167.75

Finding the Fourth Proportional to 1,964.25, 2,711.04 and 1,167.75

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Solution

The fourth proportional to 1,964.25, 2,711.04 and 1,167.75 is: 1,611.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964.25 : 2,711.04 = 1,167.75 : x
  2. Step 2: Convert to fraction form
    1,964.25/2,711.04 = 1,167.75/x
  3. Step 3: Cross multiply
    1,964.25x = 2,711.04 × 1,167.75
  4. Step 4: Simplify right side
    1,964.25x = 3,165,816.96
  5. Step 5: Solve for x
    x = 3,165,816.96/1,964.25
  6. Step 6: Final answer
    x = 1,611.72

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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.