Home / 2,983.06-4,104.57-2,906.74

Finding the Fourth Proportional to 2,983.06, 4,104.57 and 2,906.74

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Solution

The fourth proportional to 2,983.06, 4,104.57 and 2,906.74 is: 3,999.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.06 : 4,104.57 = 2,906.74 : x
  2. Step 2: Convert to fraction form
    2,983.06/4,104.57 = 2,906.74/x
  3. Step 3: Cross multiply
    2,983.06x = 4,104.57 × 2,906.74
  4. Step 4: Simplify right side
    2,983.06x = 11,930,917.80
  5. Step 5: Solve for x
    x = 11,930,917.80/2,983.06
  6. Step 6: Final answer
    x = 3,999.56

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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.