Home / 3,694.39-5,542.26-1,228.98

Finding the Fourth Proportional to 3,694.39, 5,542.26 and 1,228.98

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Solution

The fourth proportional to 3,694.39, 5,542.26 and 1,228.98 is: 1,843.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,694.39 : 5,542.26 = 1,228.98 : x
  2. Step 2: Convert to fraction form
    3,694.39/5,542.26 = 1,228.98/x
  3. Step 3: Cross multiply
    3,694.39x = 5,542.26 × 1,228.98
  4. Step 4: Simplify right side
    3,694.39x = 6,811,298.98
  5. Step 5: Solve for x
    x = 6,811,298.98/3,694.39
  6. Step 6: Final answer
    x = 1,843.69

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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.