Home / 3,394.20-5,092.98-1,640.68

Finding the Fourth Proportional to 3,394.20, 5,092.98 and 1,640.68

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Solution

The fourth proportional to 3,394.20, 5,092.98 and 1,640.68 is: 2,461.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394.20 : 5,092.98 = 1,640.68 : x
  2. Step 2: Convert to fraction form
    3,394.20/5,092.98 = 1,640.68/x
  3. Step 3: Cross multiply
    3,394.20x = 5,092.98 × 1,640.68
  4. Step 4: Simplify right side
    3,394.20x = 8,355,950.43
  5. Step 5: Solve for x
    x = 8,355,950.43/3,394.20
  6. Step 6: Final answer
    x = 2,461.83

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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.