Home / 3,540.52-4,889.45-2,917.22

Finding the Fourth Proportional to 3,540.52, 4,889.45 and 2,917.22

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Solution

The fourth proportional to 3,540.52, 4,889.45 and 2,917.22 is: 4,028.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.52 : 4,889.45 = 2,917.22 : x
  2. Step 2: Convert to fraction form
    3,540.52/4,889.45 = 2,917.22/x
  3. Step 3: Cross multiply
    3,540.52x = 4,889.45 × 2,917.22
  4. Step 4: Simplify right side
    3,540.52x = 14,263,620.85
  5. Step 5: Solve for x
    x = 14,263,620.85/3,540.52
  6. Step 6: Final answer
    x = 4,028.68

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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.