Home / 3,197.23-4,789.69-1,961.03

Finding the Fourth Proportional to 3,197.23, 4,789.69 and 1,961.03

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Solution

The fourth proportional to 3,197.23, 4,789.69 and 1,961.03 is: 2,937.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.23 : 4,789.69 = 1,961.03 : x
  2. Step 2: Convert to fraction form
    3,197.23/4,789.69 = 1,961.03/x
  3. Step 3: Cross multiply
    3,197.23x = 4,789.69 × 1,961.03
  4. Step 4: Simplify right side
    3,197.23x = 9,392,725.78
  5. Step 5: Solve for x
    x = 9,392,725.78/3,197.23
  6. Step 6: Final answer
    x = 2,937.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.