Home / 3,691.35-5,532.87-1,840.59

Finding the Fourth Proportional to 3,691.35, 5,532.87 and 1,840.59

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Solution

The fourth proportional to 3,691.35, 5,532.87 and 1,840.59 is: 2,758.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.35 : 5,532.87 = 1,840.59 : x
  2. Step 2: Convert to fraction form
    3,691.35/5,532.87 = 1,840.59/x
  3. Step 3: Cross multiply
    3,691.35x = 5,532.87 × 1,840.59
  4. Step 4: Simplify right side
    3,691.35x = 10,183,745.19
  5. Step 5: Solve for x
    x = 10,183,745.19/3,691.35
  6. Step 6: Final answer
    x = 2,758.81

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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.