Home / 3,826.66-5,739.45-1,229.26

Finding the Fourth Proportional to 3,826.66, 5,739.45 and 1,229.26

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Solution

The fourth proportional to 3,826.66, 5,739.45 and 1,229.26 is: 1,843.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826.66 : 5,739.45 = 1,229.26 : x
  2. Step 2: Convert to fraction form
    3,826.66/5,739.45 = 1,229.26/x
  3. Step 3: Cross multiply
    3,826.66x = 5,739.45 × 1,229.26
  4. Step 4: Simplify right side
    3,826.66x = 7,055,276.31
  5. Step 5: Solve for x
    x = 7,055,276.31/3,826.66
  6. Step 6: Final answer
    x = 1,843.72

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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.