Home / 3,771.15-5,650.94-1,578.68

Finding the Fourth Proportional to 3,771.15, 5,650.94 and 1,578.68

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Solution

The fourth proportional to 3,771.15, 5,650.94 and 1,578.68 is: 2,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.15 : 5,650.94 = 1,578.68 : x
  2. Step 2: Convert to fraction form
    3,771.15/5,650.94 = 1,578.68/x
  3. Step 3: Cross multiply
    3,771.15x = 5,650.94 × 1,578.68
  4. Step 4: Simplify right side
    3,771.15x = 8,921,025.96
  5. Step 5: Solve for x
    x = 8,921,025.96/3,771.15
  6. Step 6: Final answer
    x = 2,365.60

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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.