Home / 2,817.98-4,221.99-2,512.54

Finding the Fourth Proportional to 2,817.98, 4,221.99 and 2,512.54

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Solution

The fourth proportional to 2,817.98, 4,221.99 and 2,512.54 is: 3,764.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817.98 : 4,221.99 = 2,512.54 : x
  2. Step 2: Convert to fraction form
    2,817.98/4,221.99 = 2,512.54/x
  3. Step 3: Cross multiply
    2,817.98x = 4,221.99 × 2,512.54
  4. Step 4: Simplify right side
    2,817.98x = 10,607,918.75
  5. Step 5: Solve for x
    x = 10,607,918.75/2,817.98
  6. Step 6: Final answer
    x = 3,764.37

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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.