Home / 3,255.66-4,491.45-2,137.86

Finding the Fourth Proportional to 3,255.66, 4,491.45 and 2,137.86

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Solution

The fourth proportional to 3,255.66, 4,491.45 and 2,137.86 is: 2,949.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.66 : 4,491.45 = 2,137.86 : x
  2. Step 2: Convert to fraction form
    3,255.66/4,491.45 = 2,137.86/x
  3. Step 3: Cross multiply
    3,255.66x = 4,491.45 × 2,137.86
  4. Step 4: Simplify right side
    3,255.66x = 9,602,091.30
  5. Step 5: Solve for x
    x = 9,602,091.30/3,255.66
  6. Step 6: Final answer
    x = 2,949.35

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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.