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Finding the Fourth Proportional to 3,255.44, 4,492.79 and 1,839.39

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Solution

The fourth proportional to 3,255.44, 4,492.79 and 1,839.39 is: 2,538.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.44 : 4,492.79 = 1,839.39 : x
  2. Step 2: Convert to fraction form
    3,255.44/4,492.79 = 1,839.39/x
  3. Step 3: Cross multiply
    3,255.44x = 4,492.79 × 1,839.39
  4. Step 4: Simplify right side
    3,255.44x = 8,263,983.80
  5. Step 5: Solve for x
    x = 8,263,983.80/3,255.44
  6. Step 6: Final answer
    x = 2,538.52

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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.