Home / 3,620.90-4,996.60-2,027.28

Finding the Fourth Proportional to 3,620.90, 4,996.60 and 2,027.28

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Solution

The fourth proportional to 3,620.90, 4,996.60 and 2,027.28 is: 2,797.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.90 : 4,996.60 = 2,027.28 : x
  2. Step 2: Convert to fraction form
    3,620.90/4,996.60 = 2,027.28/x
  3. Step 3: Cross multiply
    3,620.90x = 4,996.60 × 2,027.28
  4. Step 4: Simplify right side
    3,620.90x = 10,129,495.66
  5. Step 5: Solve for x
    x = 10,129,495.66/3,620.90
  6. Step 6: Final answer
    x = 2,797.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.