Home / 3,204.97-4,422.89-1,788.78

Finding the Fourth Proportional to 3,204.97, 4,422.89 and 1,788.78

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Solution

The fourth proportional to 3,204.97, 4,422.89 and 1,788.78 is: 2,468.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.97 : 4,422.89 = 1,788.78 : x
  2. Step 2: Convert to fraction form
    3,204.97/4,422.89 = 1,788.78/x
  3. Step 3: Cross multiply
    3,204.97x = 4,422.89 × 1,788.78
  4. Step 4: Simplify right side
    3,204.97x = 7,911,577.17
  5. Step 5: Solve for x
    x = 7,911,577.17/3,204.97
  6. Step 6: Final answer
    x = 2,468.53

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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.