Home / 3,890.58-5,369.62-2,297.24

Finding the Fourth Proportional to 3,890.58, 5,369.62 and 2,297.24

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Solution

The fourth proportional to 3,890.58, 5,369.62 and 2,297.24 is: 3,170.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890.58 : 5,369.62 = 2,297.24 : x
  2. Step 2: Convert to fraction form
    3,890.58/5,369.62 = 2,297.24/x
  3. Step 3: Cross multiply
    3,890.58x = 5,369.62 × 2,297.24
  4. Step 4: Simplify right side
    3,890.58x = 12,335,305.85
  5. Step 5: Solve for x
    x = 12,335,305.85/3,890.58
  6. Step 6: Final answer
    x = 3,170.56

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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.