Home / 3,850.86-5,761.82-2,285.12

Finding the Fourth Proportional to 3,850.86, 5,761.82 and 2,285.12

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Solution

The fourth proportional to 3,850.86, 5,761.82 and 2,285.12 is: 3,419.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850.86 : 5,761.82 = 2,285.12 : x
  2. Step 2: Convert to fraction form
    3,850.86/5,761.82 = 2,285.12/x
  3. Step 3: Cross multiply
    3,850.86x = 5,761.82 × 2,285.12
  4. Step 4: Simplify right side
    3,850.86x = 13,166,450.12
  5. Step 5: Solve for x
    x = 13,166,450.12/3,850.86
  6. Step 6: Final answer
    x = 3,419.09

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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.