Home / 3,698.70-5,104.94-2,205.87

Finding the Fourth Proportional to 3,698.70, 5,104.94 and 2,205.87

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Solution

The fourth proportional to 3,698.70, 5,104.94 and 2,205.87 is: 3,044.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,698.70 : 5,104.94 = 2,205.87 : x
  2. Step 2: Convert to fraction form
    3,698.70/5,104.94 = 2,205.87/x
  3. Step 3: Cross multiply
    3,698.70x = 5,104.94 × 2,205.87
  4. Step 4: Simplify right side
    3,698.70x = 11,260,822.97
  5. Step 5: Solve for x
    x = 11,260,822.97/3,698.70
  6. Step 6: Final answer
    x = 3,044.54

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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.