Home / 3,778.44-5,651.20-2,214.72

Finding the Fourth Proportional to 3,778.44, 5,651.20 and 2,214.72

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Solution

The fourth proportional to 3,778.44, 5,651.20 and 2,214.72 is: 3,312.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778.44 : 5,651.20 = 2,214.72 : x
  2. Step 2: Convert to fraction form
    3,778.44/5,651.20 = 2,214.72/x
  3. Step 3: Cross multiply
    3,778.44x = 5,651.20 × 2,214.72
  4. Step 4: Simplify right side
    3,778.44x = 12,515,825.66
  5. Step 5: Solve for x
    x = 12,515,825.66/3,778.44
  6. Step 6: Final answer
    x = 3,312.43

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1.5x scale

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.