Home / 3,192.31-4,778.56-1,727.83

Finding the Fourth Proportional to 3,192.31, 4,778.56 and 1,727.83

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Solution

The fourth proportional to 3,192.31, 4,778.56 and 1,727.83 is: 2,586.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.31 : 4,778.56 = 1,727.83 : x
  2. Step 2: Convert to fraction form
    3,192.31/4,778.56 = 1,727.83/x
  3. Step 3: Cross multiply
    3,192.31x = 4,778.56 × 1,727.83
  4. Step 4: Simplify right side
    3,192.31x = 8,256,511.11
  5. Step 5: Solve for x
    x = 8,256,511.11/3,192.31
  6. Step 6: Final answer
    x = 2,586.38

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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.