Home / 3,194.68-4,782.36-1,729.38

Finding the Fourth Proportional to 3,194.68, 4,782.36 and 1,729.38

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Solution

The fourth proportional to 3,194.68, 4,782.36 and 1,729.38 is: 2,588.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,194.68 : 4,782.36 = 1,729.38 : x
  2. Step 2: Convert to fraction form
    3,194.68/4,782.36 = 1,729.38/x
  3. Step 3: Cross multiply
    3,194.68x = 4,782.36 × 1,729.38
  4. Step 4: Simplify right side
    3,194.68x = 8,270,517.74
  5. Step 5: Solve for x
    x = 8,270,517.74/3,194.68
  6. Step 6: Final answer
    x = 2,588.84

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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.