Home / 2,550.20-3,821.70-2,027.88

Finding the Fourth Proportional to 2,550.20, 3,821.70 and 2,027.88

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Solution

The fourth proportional to 2,550.20, 3,821.70 and 2,027.88 is: 3,038.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,550.20 : 3,821.70 = 2,027.88 : x
  2. Step 2: Convert to fraction form
    2,550.20/3,821.70 = 2,027.88/x
  3. Step 3: Cross multiply
    2,550.20x = 3,821.70 × 2,027.88
  4. Step 4: Simplify right side
    2,550.20x = 7,749,945.19
  5. Step 5: Solve for x
    x = 7,749,945.19/2,550.20
  6. Step 6: Final answer
    x = 3,038.96

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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.