Home / 3,449.52-4,761.36-2,105.64

Finding the Fourth Proportional to 3,449.52, 4,761.36 and 2,105.64

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Solution

The fourth proportional to 3,449.52, 4,761.36 and 2,105.64 is: 2,906.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.52 : 4,761.36 = 2,105.64 : x
  2. Step 2: Convert to fraction form
    3,449.52/4,761.36 = 2,105.64/x
  3. Step 3: Cross multiply
    3,449.52x = 4,761.36 × 2,105.64
  4. Step 4: Simplify right side
    3,449.52x = 10,025,710.07
  5. Step 5: Solve for x
    x = 10,025,710.07/3,449.52
  6. Step 6: Final answer
    x = 2,906.41

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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.