Home / 2,850.78-4,272.60-2,227.98

Finding the Fourth Proportional to 2,850.78, 4,272.60 and 2,227.98

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Solution

The fourth proportional to 2,850.78, 4,272.60 and 2,227.98 is: 3,339.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.78 : 4,272.60 = 2,227.98 : x
  2. Step 2: Convert to fraction form
    2,850.78/4,272.60 = 2,227.98/x
  3. Step 3: Cross multiply
    2,850.78x = 4,272.60 × 2,227.98
  4. Step 4: Simplify right side
    2,850.78x = 9,519,267.35
  5. Step 5: Solve for x
    x = 9,519,267.35/2,850.78
  6. Step 6: Final answer
    x = 3,339.18

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1.5x scale

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.