Home / 2,765.30-4,135.80-2,327.90

Finding the Fourth Proportional to 2,765.30, 4,135.80 and 2,327.90

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Solution

The fourth proportional to 2,765.30, 4,135.80 and 2,327.90 is: 3,481.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.30 : 4,135.80 = 2,327.90 : x
  2. Step 2: Convert to fraction form
    2,765.30/4,135.80 = 2,327.90/x
  3. Step 3: Cross multiply
    2,765.30x = 4,135.80 × 2,327.90
  4. Step 4: Simplify right side
    2,765.30x = 9,627,728.82
  5. Step 5: Solve for x
    x = 9,627,728.82/2,765.30
  6. Step 6: Final answer
    x = 3,481.62

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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.