Home / 3,183.18-4,392.78-1,785.96

Finding the Fourth Proportional to 3,183.18, 4,392.78 and 1,785.96

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Solution

The fourth proportional to 3,183.18, 4,392.78 and 1,785.96 is: 2,464.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.18 : 4,392.78 = 1,785.96 : x
  2. Step 2: Convert to fraction form
    3,183.18/4,392.78 = 1,785.96/x
  3. Step 3: Cross multiply
    3,183.18x = 4,392.78 × 1,785.96
  4. Step 4: Simplify right side
    3,183.18x = 7,845,329.37
  5. Step 5: Solve for x
    x = 7,845,329.37/3,183.18
  6. Step 6: Final answer
    x = 2,464.62

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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.