Home / 3,183.12-4,392.48-1,786.08

Finding the Fourth Proportional to 3,183.12, 4,392.48 and 1,786.08

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Solution

The fourth proportional to 3,183.12, 4,392.48 and 1,786.08 is: 2,464.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.12 : 4,392.48 = 1,786.08 : x
  2. Step 2: Convert to fraction form
    3,183.12/4,392.48 = 1,786.08/x
  3. Step 3: Cross multiply
    3,183.12x = 4,392.48 × 1,786.08
  4. Step 4: Simplify right side
    3,183.12x = 7,845,320.68
  5. Step 5: Solve for x
    x = 7,845,320.68/3,183.12
  6. Step 6: Final answer
    x = 2,464.66

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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.