Home / 1,954.22-2,695.97-1,167.81

Finding the Fourth Proportional to 1,954.22, 2,695.97 and 1,167.81

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Solution

The fourth proportional to 1,954.22, 2,695.97 and 1,167.81 is: 1,611.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954.22 : 2,695.97 = 1,167.81 : x
  2. Step 2: Convert to fraction form
    1,954.22/2,695.97 = 1,167.81/x
  3. Step 3: Cross multiply
    1,954.22x = 2,695.97 × 1,167.81
  4. Step 4: Simplify right side
    1,954.22x = 3,148,380.73
  5. Step 5: Solve for x
    x = 3,148,380.73/1,954.22
  6. Step 6: Final answer
    x = 1,611.07

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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.