Home / 4,231.86-6,349.41-1,636.62

Finding the Fourth Proportional to 4,231.86, 6,349.41 and 1,636.62

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Solution

The fourth proportional to 4,231.86, 6,349.41 and 1,636.62 is: 2,455.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,231.86 : 6,349.41 = 1,636.62 : x
  2. Step 2: Convert to fraction form
    4,231.86/6,349.41 = 1,636.62/x
  3. Step 3: Cross multiply
    4,231.86x = 6,349.41 × 1,636.62
  4. Step 4: Simplify right side
    4,231.86x = 10,391,571.39
  5. Step 5: Solve for x
    x = 10,391,571.39/4,231.86
  6. Step 6: Final answer
    x = 2,455.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.