Home / 2,774.20-4,164.96-2,161.84

Finding the Fourth Proportional to 2,774.20, 4,164.96 and 2,161.84

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Solution

The fourth proportional to 2,774.20, 4,164.96 and 2,161.84 is: 3,245.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774.20 : 4,164.96 = 2,161.84 : x
  2. Step 2: Convert to fraction form
    2,774.20/4,164.96 = 2,161.84/x
  3. Step 3: Cross multiply
    2,774.20x = 4,164.96 × 2,161.84
  4. Step 4: Simplify right side
    2,774.20x = 9,003,977.13
  5. Step 5: Solve for x
    x = 9,003,977.13/2,774.20
  6. Step 6: Final answer
    x = 3,245.61

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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.