Home / 3,268.38-4,908.89-2,800.92

Finding the Fourth Proportional to 3,268.38, 4,908.89 and 2,800.92

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Solution

The fourth proportional to 3,268.38, 4,908.89 and 2,800.92 is: 4,206.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.38 : 4,908.89 = 2,800.92 : x
  2. Step 2: Convert to fraction form
    3,268.38/4,908.89 = 2,800.92/x
  3. Step 3: Cross multiply
    3,268.38x = 4,908.89 × 2,800.92
  4. Step 4: Simplify right side
    3,268.38x = 13,749,408.18
  5. Step 5: Solve for x
    x = 13,749,408.18/3,268.38
  6. Step 6: Final answer
    x = 4,206.80

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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.