Home / 3,289.46-4,934.79-1,098.41

Finding the Fourth Proportional to 3,289.46, 4,934.79 and 1,098.41

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Solution

The fourth proportional to 3,289.46, 4,934.79 and 1,098.41 is: 1,647.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.46 : 4,934.79 = 1,098.41 : x
  2. Step 2: Convert to fraction form
    3,289.46/4,934.79 = 1,098.41/x
  3. Step 3: Cross multiply
    3,289.46x = 4,934.79 × 1,098.41
  4. Step 4: Simplify right side
    3,289.46x = 5,420,398.01
  5. Step 5: Solve for x
    x = 5,420,398.01/3,289.46
  6. Step 6: Final answer
    x = 1,647.81

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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.