Home / 1,961.22-2,704.71-1,298.73

Finding the Fourth Proportional to 1,961.22, 2,704.71 and 1,298.73

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Solution

The fourth proportional to 1,961.22, 2,704.71 and 1,298.73 is: 1,791.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961.22 : 2,704.71 = 1,298.73 : x
  2. Step 2: Convert to fraction form
    1,961.22/2,704.71 = 1,298.73/x
  3. Step 3: Cross multiply
    1,961.22x = 2,704.71 × 1,298.73
  4. Step 4: Simplify right side
    1,961.22x = 3,512,688.02
  5. Step 5: Solve for x
    x = 3,512,688.02/1,961.22
  6. Step 6: Final answer
    x = 1,791.07

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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.