Home / 3,192.97-4,789.26-1,191.28

Finding the Fourth Proportional to 3,192.97, 4,789.26 and 1,191.28

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Solution

The fourth proportional to 3,192.97, 4,789.26 and 1,191.28 is: 1,786.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.97 : 4,789.26 = 1,191.28 : x
  2. Step 2: Convert to fraction form
    3,192.97/4,789.26 = 1,191.28/x
  3. Step 3: Cross multiply
    3,192.97x = 4,789.26 × 1,191.28
  4. Step 4: Simplify right side
    3,192.97x = 5,705,341.60
  5. Step 5: Solve for x
    x = 5,705,341.60/3,192.97
  6. Step 6: Final answer
    x = 1,786.84

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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.