Home / 4,241.86-6,362.79-1,319.38

Finding the Fourth Proportional to 4,241.86, 6,362.79 and 1,319.38

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Solution

The fourth proportional to 4,241.86, 6,362.79 and 1,319.38 is: 1,979.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,241.86 : 6,362.79 = 1,319.38 : x
  2. Step 2: Convert to fraction form
    4,241.86/6,362.79 = 1,319.38/x
  3. Step 3: Cross multiply
    4,241.86x = 6,362.79 × 1,319.38
  4. Step 4: Simplify right side
    4,241.86x = 8,394,937.87
  5. Step 5: Solve for x
    x = 8,394,937.87/4,241.86
  6. Step 6: Final answer
    x = 1,979.07

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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.