Home / 4,099.70-6,151.82-2,540.55

Finding the Fourth Proportional to 4,099.70, 6,151.82 and 2,540.55

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Solution

The fourth proportional to 4,099.70, 6,151.82 and 2,540.55 is: 3,812.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,099.70 : 6,151.82 = 2,540.55 : x
  2. Step 2: Convert to fraction form
    4,099.70/6,151.82 = 2,540.55/x
  3. Step 3: Cross multiply
    4,099.70x = 6,151.82 × 2,540.55
  4. Step 4: Simplify right side
    4,099.70x = 15,628,975.54
  5. Step 5: Solve for x
    x = 15,628,975.54/4,099.70
  6. Step 6: Final answer
    x = 3,812.23

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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.