Home / 3,895.32-5,845.94-2,857.96

Finding the Fourth Proportional to 3,895.32, 5,845.94 and 2,857.96

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Solution

The fourth proportional to 3,895.32, 5,845.94 and 2,857.96 is: 4,289.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.32 : 5,845.94 = 2,857.96 : x
  2. Step 2: Convert to fraction form
    3,895.32/5,845.94 = 2,857.96/x
  3. Step 3: Cross multiply
    3,895.32x = 5,845.94 × 2,857.96
  4. Step 4: Simplify right side
    3,895.32x = 16,707,462.68
  5. Step 5: Solve for x
    x = 16,707,462.68/3,895.32
  6. Step 6: Final answer
    x = 4,289.11

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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.