Home / 3,396.80-5,083.68-2,029.76

Finding the Fourth Proportional to 3,396.80, 5,083.68 and 2,029.76

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Solution

The fourth proportional to 3,396.80, 5,083.68 and 2,029.76 is: 3,037.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396.80 : 5,083.68 = 2,029.76 : x
  2. Step 2: Convert to fraction form
    3,396.80/5,083.68 = 2,029.76/x
  3. Step 3: Cross multiply
    3,396.80x = 5,083.68 × 2,029.76
  4. Step 4: Simplify right side
    3,396.80x = 10,318,650.32
  5. Step 5: Solve for x
    x = 10,318,650.32/3,396.80
  6. Step 6: Final answer
    x = 3,037.76

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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.