Home / 3,240.36-4,471.86-1,843.56

Finding the Fourth Proportional to 3,240.36, 4,471.86 and 1,843.56

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Solution

The fourth proportional to 3,240.36, 4,471.86 and 1,843.56 is: 2,544.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.36 : 4,471.86 = 1,843.56 : x
  2. Step 2: Convert to fraction form
    3,240.36/4,471.86 = 1,843.56/x
  3. Step 3: Cross multiply
    3,240.36x = 4,471.86 × 1,843.56
  4. Step 4: Simplify right side
    3,240.36x = 8,244,142.22
  5. Step 5: Solve for x
    x = 8,244,142.22/3,240.36
  6. Step 6: Final answer
    x = 2,544.21

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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.