Home / 2,399.20-3,310.84-1,336.97

Finding the Fourth Proportional to 2,399.20, 3,310.84 and 1,336.97

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Solution

The fourth proportional to 2,399.20, 3,310.84 and 1,336.97 is: 1,844.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,399.20 : 3,310.84 = 1,336.97 : x
  2. Step 2: Convert to fraction form
    2,399.20/3,310.84 = 1,336.97/x
  3. Step 3: Cross multiply
    2,399.20x = 3,310.84 × 1,336.97
  4. Step 4: Simplify right side
    2,399.20x = 4,426,487.07
  5. Step 5: Solve for x
    x = 4,426,487.07/2,399.20
  6. Step 6: Final answer
    x = 1,844.98

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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.