Home / 3,926.20-5,418.44-2,597.60

Finding the Fourth Proportional to 3,926.20, 5,418.44 and 2,597.60

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Solution

The fourth proportional to 3,926.20, 5,418.44 and 2,597.60 is: 3,584.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.20 : 5,418.44 = 2,597.60 : x
  2. Step 2: Convert to fraction form
    3,926.20/5,418.44 = 2,597.60/x
  3. Step 3: Cross multiply
    3,926.20x = 5,418.44 × 2,597.60
  4. Step 4: Simplify right side
    3,926.20x = 14,074,939.74
  5. Step 5: Solve for x
    x = 14,074,939.74/3,926.20
  6. Step 6: Final answer
    x = 3,584.88

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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.