Home / 3,192.82-4,788.30-1,112.32

Finding the Fourth Proportional to 3,192.82, 4,788.30 and 1,112.32

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Solution

The fourth proportional to 3,192.82, 4,788.30 and 1,112.32 is: 1,668.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.82 : 4,788.30 = 1,112.32 : x
  2. Step 2: Convert to fraction form
    3,192.82/4,788.30 = 1,112.32/x
  3. Step 3: Cross multiply
    3,192.82x = 4,788.30 × 1,112.32
  4. Step 4: Simplify right side
    3,192.82x = 5,326,121.86
  5. Step 5: Solve for x
    x = 5,326,121.86/3,192.82
  6. Step 6: Final answer
    x = 1,668.16

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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.