Home / 3,257.78-4,887.75-2,166.44

Finding the Fourth Proportional to 3,257.78, 4,887.75 and 2,166.44

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Solution

The fourth proportional to 3,257.78, 4,887.75 and 2,166.44 is: 3,250.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257.78 : 4,887.75 = 2,166.44 : x
  2. Step 2: Convert to fraction form
    3,257.78/4,887.75 = 2,166.44/x
  3. Step 3: Cross multiply
    3,257.78x = 4,887.75 × 2,166.44
  4. Step 4: Simplify right side
    3,257.78x = 10,589,017.11
  5. Step 5: Solve for x
    x = 10,589,017.11/3,257.78
  6. Step 6: Final answer
    x = 3,250.38

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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.