Home / 1,192.24-1,797.44-1,108.72

Finding the Fourth Proportional to 1,192.24, 1,797.44 and 1,108.72

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Solution

The fourth proportional to 1,192.24, 1,797.44 and 1,108.72 is: 1,671.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192.24 : 1,797.44 = 1,108.72 : x
  2. Step 2: Convert to fraction form
    1,192.24/1,797.44 = 1,108.72/x
  3. Step 3: Cross multiply
    1,192.24x = 1,797.44 × 1,108.72
  4. Step 4: Simplify right side
    1,192.24x = 1,992,857.68
  5. Step 5: Solve for x
    x = 1,992,857.68/1,192.24
  6. Step 6: Final answer
    x = 1,671.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.