Home / 3,798.06-5,238.49-2,789.44

Finding the Fourth Proportional to 3,798.06, 5,238.49 and 2,789.44

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Solution

The fourth proportional to 3,798.06, 5,238.49 and 2,789.44 is: 3,847.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,798.06 : 5,238.49 = 2,789.44 : x
  2. Step 2: Convert to fraction form
    3,798.06/5,238.49 = 2,789.44/x
  3. Step 3: Cross multiply
    3,798.06x = 5,238.49 × 2,789.44
  4. Step 4: Simplify right side
    3,798.06x = 14,612,453.55
  5. Step 5: Solve for x
    x = 14,612,453.55/3,798.06
  6. Step 6: Final answer
    x = 3,847.35

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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.