Home / 3,195.86-4,800.78-2,277.32

Finding the Fourth Proportional to 3,195.86, 4,800.78 and 2,277.32

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Solution

The fourth proportional to 3,195.86, 4,800.78 and 2,277.32 is: 3,420.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.86 : 4,800.78 = 2,277.32 : x
  2. Step 2: Convert to fraction form
    3,195.86/4,800.78 = 2,277.32/x
  3. Step 3: Cross multiply
    3,195.86x = 4,800.78 × 2,277.32
  4. Step 4: Simplify right side
    3,195.86x = 10,932,876.92
  5. Step 5: Solve for x
    x = 10,932,876.92/3,195.86
  6. Step 6: Final answer
    x = 3,420.96

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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.