Home / 3,620.72-4,997.06-2,027.97

Finding the Fourth Proportional to 3,620.72, 4,997.06 and 2,027.97

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Solution

The fourth proportional to 3,620.72, 4,997.06 and 2,027.97 is: 2,798.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.72 : 4,997.06 = 2,027.97 : x
  2. Step 2: Convert to fraction form
    3,620.72/4,997.06 = 2,027.97/x
  3. Step 3: Cross multiply
    3,620.72x = 4,997.06 × 2,027.97
  4. Step 4: Simplify right side
    3,620.72x = 10,133,901.08
  5. Step 5: Solve for x
    x = 10,133,901.08/3,620.72
  6. Step 6: Final answer
    x = 2,798.87

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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.