Home / 3,192.92-4,788.20-1,112.39

Finding the Fourth Proportional to 3,192.92, 4,788.20 and 1,112.39

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Solution

The fourth proportional to 3,192.92, 4,788.20 and 1,112.39 is: 1,668.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.92 : 4,788.20 = 1,112.39 : x
  2. Step 2: Convert to fraction form
    3,192.92/4,788.20 = 1,112.39/x
  3. Step 3: Cross multiply
    3,192.92x = 4,788.20 × 1,112.39
  4. Step 4: Simplify right side
    3,192.92x = 5,326,340.24
  5. Step 5: Solve for x
    x = 5,326,340.24/3,192.92
  6. Step 6: Final answer
    x = 1,668.17

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1.5x scale

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.