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Finding the Fourth Proportional to 3,194.88, 4,789.44 and 1,893.66

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Solution

The fourth proportional to 3,194.88, 4,789.44 and 1,893.66 is: 2,838.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,194.88 : 4,789.44 = 1,893.66 : x
  2. Step 2: Convert to fraction form
    3,194.88/4,789.44 = 1,893.66/x
  3. Step 3: Cross multiply
    3,194.88x = 4,789.44 × 1,893.66
  4. Step 4: Simplify right side
    3,194.88x = 9,069,570.95
  5. Step 5: Solve for x
    x = 9,069,570.95/3,194.88
  6. Step 6: Final answer
    x = 2,838.78

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1.5x scale

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.