Home / 2,843.36-3,923.15-1,601.36

Finding the Fourth Proportional to 2,843.36, 3,923.15 and 1,601.36

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Solution

The fourth proportional to 2,843.36, 3,923.15 and 1,601.36 is: 2,209.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843.36 : 3,923.15 = 1,601.36 : x
  2. Step 2: Convert to fraction form
    2,843.36/3,923.15 = 1,601.36/x
  3. Step 3: Cross multiply
    2,843.36x = 3,923.15 × 1,601.36
  4. Step 4: Simplify right side
    2,843.36x = 6,282,375.48
  5. Step 5: Solve for x
    x = 6,282,375.48/2,843.36
  6. Step 6: Final answer
    x = 2,209.49

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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.