Home / 2,874.22-4,307.86-2,039.97

Finding the Fourth Proportional to 2,874.22, 4,307.86 and 2,039.97

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Solution

The fourth proportional to 2,874.22, 4,307.86 and 2,039.97 is: 3,057.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.22 : 4,307.86 = 2,039.97 : x
  2. Step 2: Convert to fraction form
    2,874.22/4,307.86 = 2,039.97/x
  3. Step 3: Cross multiply
    2,874.22x = 4,307.86 × 2,039.97
  4. Step 4: Simplify right side
    2,874.22x = 8,787,912.39
  5. Step 5: Solve for x
    x = 8,787,912.39/2,874.22
  6. Step 6: Final answer
    x = 3,057.49

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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.