Home / 3,255.58-4,489.97-2,135.65

Finding the Fourth Proportional to 3,255.58, 4,489.97 and 2,135.65

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Solution

The fourth proportional to 3,255.58, 4,489.97 and 2,135.65 is: 2,945.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.58 : 4,489.97 = 2,135.65 : x
  2. Step 2: Convert to fraction form
    3,255.58/4,489.97 = 2,135.65/x
  3. Step 3: Cross multiply
    3,255.58x = 4,489.97 × 2,135.65
  4. Step 4: Simplify right side
    3,255.58x = 9,589,004.43
  5. Step 5: Solve for x
    x = 9,589,004.43/3,255.58
  6. Step 6: Final answer
    x = 2,945.41

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1.5x scale

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.