Home / 2,750.96-4,120.97-2,228.31

Finding the Fourth Proportional to 2,750.96, 4,120.97 and 2,228.31

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Solution

The fourth proportional to 2,750.96, 4,120.97 and 2,228.31 is: 3,338.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.96 : 4,120.97 = 2,228.31 : x
  2. Step 2: Convert to fraction form
    2,750.96/4,120.97 = 2,228.31/x
  3. Step 3: Cross multiply
    2,750.96x = 4,120.97 × 2,228.31
  4. Step 4: Simplify right side
    2,750.96x = 9,182,798.66
  5. Step 5: Solve for x
    x = 9,182,798.66/2,750.96
  6. Step 6: Final answer
    x = 3,338.03

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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.