Home / 3,895.20-5,372.64-2,322

Finding the Fourth Proportional to 3,895.20, 5,372.64 and 2,322

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Solution

The fourth proportional to 3,895.20, 5,372.64 and 2,322 is: 3,202.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.20 : 5,372.64 = 2,322 : x
  2. Step 2: Convert to fraction form
    3,895.20/5,372.64 = 2,322/x
  3. Step 3: Cross multiply
    3,895.20x = 5,372.64 × 2,322
  4. Step 4: Simplify right side
    3,895.20x = 12,475,270.08
  5. Step 5: Solve for x
    x = 12,475,270.08/3,895.20
  6. Step 6: Final answer
    x = 3,202.73

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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.