Home / 3,367.85-5,051.77-2,198.81

Finding the Fourth Proportional to 3,367.85, 5,051.77 and 2,198.81

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Solution

The fourth proportional to 3,367.85, 5,051.77 and 2,198.81 is: 3,298.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,367.85 : 5,051.77 = 2,198.81 : x
  2. Step 2: Convert to fraction form
    3,367.85/5,051.77 = 2,198.81/x
  3. Step 3: Cross multiply
    3,367.85x = 5,051.77 × 2,198.81
  4. Step 4: Simplify right side
    3,367.85x = 11,107,889.53
  5. Step 5: Solve for x
    x = 11,107,889.53/3,367.85
  6. Step 6: Final answer
    x = 3,298.22

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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.