Home / 3,778.36-5,212.32-2,452.48

Finding the Fourth Proportional to 3,778.36, 5,212.32 and 2,452.48

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Solution

The fourth proportional to 3,778.36, 5,212.32 and 2,452.48 is: 3,383.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778.36 : 5,212.32 = 2,452.48 : x
  2. Step 2: Convert to fraction form
    3,778.36/5,212.32 = 2,452.48/x
  3. Step 3: Cross multiply
    3,778.36x = 5,212.32 × 2,452.48
  4. Step 4: Simplify right side
    3,778.36x = 12,783,110.55
  5. Step 5: Solve for x
    x = 12,783,110.55/3,778.36
  6. Step 6: Final answer
    x = 3,383.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.