Home / 3,183.41-4,393.79-2,429.15

Finding the Fourth Proportional to 3,183.41, 4,393.79 and 2,429.15

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Solution

The fourth proportional to 3,183.41, 4,393.79 and 2,429.15 is: 3,352.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.41 : 4,393.79 = 2,429.15 : x
  2. Step 2: Convert to fraction form
    3,183.41/4,393.79 = 2,429.15/x
  3. Step 3: Cross multiply
    3,183.41x = 4,393.79 × 2,429.15
  4. Step 4: Simplify right side
    3,183.41x = 10,673,188.35
  5. Step 5: Solve for x
    x = 10,673,188.35/3,183.41
  6. Step 6: Final answer
    x = 3,352.75

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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.