Home / 3,765.44-5,635.20-2,305.28

Finding the Fourth Proportional to 3,765.44, 5,635.20 and 2,305.28

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Solution

The fourth proportional to 3,765.44, 5,635.20 and 2,305.28 is: 3,449.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765.44 : 5,635.20 = 2,305.28 : x
  2. Step 2: Convert to fraction form
    3,765.44/5,635.20 = 2,305.28/x
  3. Step 3: Cross multiply
    3,765.44x = 5,635.20 × 2,305.28
  4. Step 4: Simplify right side
    3,765.44x = 12,990,713.86
  5. Step 5: Solve for x
    x = 12,990,713.86/3,765.44
  6. Step 6: Final answer
    x = 3,449.99

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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.