Home / 3,727.21-5,591.41-1,129.54

Finding the Fourth Proportional to 3,727.21, 5,591.41 and 1,129.54

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Solution

The fourth proportional to 3,727.21, 5,591.41 and 1,129.54 is: 1,694.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.21 : 5,591.41 = 1,129.54 : x
  2. Step 2: Convert to fraction form
    3,727.21/5,591.41 = 1,129.54/x
  3. Step 3: Cross multiply
    3,727.21x = 5,591.41 × 1,129.54
  4. Step 4: Simplify right side
    3,727.21x = 6,315,690.47
  5. Step 5: Solve for x
    x = 6,315,690.47/3,727.21
  6. Step 6: Final answer
    x = 1,694.48

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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.