Home / 3,192.48-4,786.86-1,242.39

Finding the Fourth Proportional to 3,192.48, 4,786.86 and 1,242.39

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Solution

The fourth proportional to 3,192.48, 4,786.86 and 1,242.39 is: 1,862.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.48 : 4,786.86 = 1,242.39 : x
  2. Step 2: Convert to fraction form
    3,192.48/4,786.86 = 1,242.39/x
  3. Step 3: Cross multiply
    3,192.48x = 4,786.86 × 1,242.39
  4. Step 4: Simplify right side
    3,192.48x = 5,947,147.00
  5. Step 5: Solve for x
    x = 5,947,147.00/3,192.48
  6. Step 6: Final answer
    x = 1,862.86

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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.