Home / 3,778.86-5,213.01-2,452.98

Finding the Fourth Proportional to 3,778.86, 5,213.01 and 2,452.98

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Solution

The fourth proportional to 3,778.86, 5,213.01 and 2,452.98 is: 3,383.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778.86 : 5,213.01 = 2,452.98 : x
  2. Step 2: Convert to fraction form
    3,778.86/5,213.01 = 2,452.98/x
  3. Step 3: Cross multiply
    3,778.86x = 5,213.01 × 2,452.98
  4. Step 4: Simplify right side
    3,778.86x = 12,787,409.27
  5. Step 5: Solve for x
    x = 12,787,409.27/3,778.86
  6. Step 6: Final answer
    x = 3,383.93

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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.