Home / 3,188.72-4,403.19-2,450

Finding the Fourth Proportional to 3,188.72, 4,403.19 and 2,450

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Solution

The fourth proportional to 3,188.72, 4,403.19 and 2,450 is: 3,383.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.72 : 4,403.19 = 2,450 : x
  2. Step 2: Convert to fraction form
    3,188.72/4,403.19 = 2,450/x
  3. Step 3: Cross multiply
    3,188.72x = 4,403.19 × 2,450
  4. Step 4: Simplify right side
    3,188.72x = 10,787,815.50
  5. Step 5: Solve for x
    x = 10,787,815.50/3,188.72
  6. Step 6: Final answer
    x = 3,383.12

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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.