Home / 2,618.97-3,929.36-1,233.36

Finding the Fourth Proportional to 2,618.97, 3,929.36 and 1,233.36

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Solution

The fourth proportional to 2,618.97, 3,929.36 and 1,233.36 is: 1,850.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618.97 : 3,929.36 = 1,233.36 : x
  2. Step 2: Convert to fraction form
    2,618.97/3,929.36 = 1,233.36/x
  3. Step 3: Cross multiply
    2,618.97x = 3,929.36 × 1,233.36
  4. Step 4: Simplify right side
    2,618.97x = 4,846,309.28
  5. Step 5: Solve for x
    x = 4,846,309.28/2,618.97
  6. Step 6: Final answer
    x = 1,850.46

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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.