Home / 3,826.08-5,739.84-1,228.80

Finding the Fourth Proportional to 3,826.08, 5,739.84 and 1,228.80

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Solution

The fourth proportional to 3,826.08, 5,739.84 and 1,228.80 is: 1,843.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826.08 : 5,739.84 = 1,228.80 : x
  2. Step 2: Convert to fraction form
    3,826.08/5,739.84 = 1,228.80/x
  3. Step 3: Cross multiply
    3,826.08x = 5,739.84 × 1,228.80
  4. Step 4: Simplify right side
    3,826.08x = 7,053,115.39
  5. Step 5: Solve for x
    x = 7,053,115.39/3,826.08
  6. Step 6: Final answer
    x = 1,843.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.