Home / 3,289.94-4,922.54-1,968.82

Finding the Fourth Proportional to 3,289.94, 4,922.54 and 1,968.82

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Solution

The fourth proportional to 3,289.94, 4,922.54 and 1,968.82 is: 2,945.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.94 : 4,922.54 = 1,968.82 : x
  2. Step 2: Convert to fraction form
    3,289.94/4,922.54 = 1,968.82/x
  3. Step 3: Cross multiply
    3,289.94x = 4,922.54 × 1,968.82
  4. Step 4: Simplify right side
    3,289.94x = 9,691,595.20
  5. Step 5: Solve for x
    x = 9,691,595.20/3,289.94
  6. Step 6: Final answer
    x = 2,945.83

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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.