Home / 3,329.78-4,992.75-1,383.38

Finding the Fourth Proportional to 3,329.78, 4,992.75 and 1,383.38

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Solution

The fourth proportional to 3,329.78, 4,992.75 and 1,383.38 is: 2,074.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.78 : 4,992.75 = 1,383.38 : x
  2. Step 2: Convert to fraction form
    3,329.78/4,992.75 = 1,383.38/x
  3. Step 3: Cross multiply
    3,329.78x = 4,992.75 × 1,383.38
  4. Step 4: Simplify right side
    3,329.78x = 6,906,870.50
  5. Step 5: Solve for x
    x = 6,906,870.50/3,329.78
  6. Step 6: Final answer
    x = 2,074.27

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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.