Home / 3,424.34-5,136.55-1,231.54

Finding the Fourth Proportional to 3,424.34, 5,136.55 and 1,231.54

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Solution

The fourth proportional to 3,424.34, 5,136.55 and 1,231.54 is: 1,847.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.34 : 5,136.55 = 1,231.54 : x
  2. Step 2: Convert to fraction form
    3,424.34/5,136.55 = 1,231.54/x
  3. Step 3: Cross multiply
    3,424.34x = 5,136.55 × 1,231.54
  4. Step 4: Simplify right side
    3,424.34x = 6,325,850.87
  5. Step 5: Solve for x
    x = 6,325,850.87/3,424.34
  6. Step 6: Final answer
    x = 1,847.32

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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.