Home / 2,750.25-3,795.36-1,631.75

Finding the Fourth Proportional to 2,750.25, 3,795.36 and 1,631.75

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Solution

The fourth proportional to 2,750.25, 3,795.36 and 1,631.75 is: 2,251.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.25 : 3,795.36 = 1,631.75 : x
  2. Step 2: Convert to fraction form
    2,750.25/3,795.36 = 1,631.75/x
  3. Step 3: Cross multiply
    2,750.25x = 3,795.36 × 1,631.75
  4. Step 4: Simplify right side
    2,750.25x = 6,193,078.68
  5. Step 5: Solve for x
    x = 6,193,078.68/2,750.25
  6. Step 6: Final answer
    x = 2,251.82

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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.