Home / 2,817.36-4,221.72-2,200.14

Finding the Fourth Proportional to 2,817.36, 4,221.72 and 2,200.14

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Solution

The fourth proportional to 2,817.36, 4,221.72 and 2,200.14 is: 3,296.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817.36 : 4,221.72 = 2,200.14 : x
  2. Step 2: Convert to fraction form
    2,817.36/4,221.72 = 2,200.14/x
  3. Step 3: Cross multiply
    2,817.36x = 4,221.72 × 2,200.14
  4. Step 4: Simplify right side
    2,817.36x = 9,288,375.04
  5. Step 5: Solve for x
    x = 9,288,375.04/2,817.36
  6. Step 6: Final answer
    x = 3,296.84

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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.