Home / 3,192.76-4,787.92-1,112.24

Finding the Fourth Proportional to 3,192.76, 4,787.92 and 1,112.24

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Solution

The fourth proportional to 3,192.76, 4,787.92 and 1,112.24 is: 1,667.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.76 : 4,787.92 = 1,112.24 : x
  2. Step 2: Convert to fraction form
    3,192.76/4,787.92 = 1,112.24/x
  3. Step 3: Cross multiply
    3,192.76x = 4,787.92 × 1,112.24
  4. Step 4: Simplify right side
    3,192.76x = 5,325,316.14
  5. Step 5: Solve for x
    x = 5,325,316.14/3,192.76
  6. Step 6: Final answer
    x = 1,667.93

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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.