Home / 3,062.66-4,226.39-1,786.78

Finding the Fourth Proportional to 3,062.66, 4,226.39 and 1,786.78

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Solution

The fourth proportional to 3,062.66, 4,226.39 and 1,786.78 is: 2,465.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,062.66 : 4,226.39 = 1,786.78 : x
  2. Step 2: Convert to fraction form
    3,062.66/4,226.39 = 1,786.78/x
  3. Step 3: Cross multiply
    3,062.66x = 4,226.39 × 1,786.78
  4. Step 4: Simplify right side
    3,062.66x = 7,551,618.45
  5. Step 5: Solve for x
    x = 7,551,618.45/3,062.66
  6. Step 6: Final answer
    x = 2,465.71

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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.