Home / 3,289.83-4,934.79-1,098.57

Finding the Fourth Proportional to 3,289.83, 4,934.79 and 1,098.57

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Solution

The fourth proportional to 3,289.83, 4,934.79 and 1,098.57 is: 1,647.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.83 : 4,934.79 = 1,098.57 : x
  2. Step 2: Convert to fraction form
    3,289.83/4,934.79 = 1,098.57/x
  3. Step 3: Cross multiply
    3,289.83x = 4,934.79 × 1,098.57
  4. Step 4: Simplify right side
    3,289.83x = 5,421,187.58
  5. Step 5: Solve for x
    x = 5,421,187.58/3,289.83
  6. Step 6: Final answer
    x = 1,647.87

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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.