Home / 3,840.27-5,761.62-1,375.05

Finding the Fourth Proportional to 3,840.27, 5,761.62 and 1,375.05

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Solution

The fourth proportional to 3,840.27, 5,761.62 and 1,375.05 is: 2,063.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.27 : 5,761.62 = 1,375.05 : x
  2. Step 2: Convert to fraction form
    3,840.27/5,761.62 = 1,375.05/x
  3. Step 3: Cross multiply
    3,840.27x = 5,761.62 × 1,375.05
  4. Step 4: Simplify right side
    3,840.27x = 7,922,515.58
  5. Step 5: Solve for x
    x = 7,922,515.58/3,840.27
  6. Step 6: Final answer
    x = 2,063.01

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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.