Home / 3,403.26-5,106.78-1,843.20

Finding the Fourth Proportional to 3,403.26, 5,106.78 and 1,843.20

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Solution

The fourth proportional to 3,403.26, 5,106.78 and 1,843.20 is: 2,765.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.26 : 5,106.78 = 1,843.20 : x
  2. Step 2: Convert to fraction form
    3,403.26/5,106.78 = 1,843.20/x
  3. Step 3: Cross multiply
    3,403.26x = 5,106.78 × 1,843.20
  4. Step 4: Simplify right side
    3,403.26x = 9,412,816.90
  5. Step 5: Solve for x
    x = 9,412,816.90/3,403.26
  6. Step 6: Final answer
    x = 2,765.82

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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.