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Finding the Fourth Proportional to 3,727.22, 5,589.86 and 1,969.86

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Solution

The fourth proportional to 3,727.22, 5,589.86 and 1,969.86 is: 2,954.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.22 : 5,589.86 = 1,969.86 : x
  2. Step 2: Convert to fraction form
    3,727.22/5,589.86 = 1,969.86/x
  3. Step 3: Cross multiply
    3,727.22x = 5,589.86 × 1,969.86
  4. Step 4: Simplify right side
    3,727.22x = 11,011,231.77
  5. Step 5: Solve for x
    x = 11,011,231.77/3,727.22
  6. Step 6: Final answer
    x = 2,954.27

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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.