Home / 1,196.36-1,794.53-1,108.88

Finding the Fourth Proportional to 1,196.36, 1,794.53 and 1,108.88

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Solution

The fourth proportional to 1,196.36, 1,794.53 and 1,108.88 is: 1,663.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196.36 : 1,794.53 = 1,108.88 : x
  2. Step 2: Convert to fraction form
    1,196.36/1,794.53 = 1,108.88/x
  3. Step 3: Cross multiply
    1,196.36x = 1,794.53 × 1,108.88
  4. Step 4: Simplify right side
    1,196.36x = 1,989,912.23
  5. Step 5: Solve for x
    x = 1,989,912.23/1,196.36
  6. Step 6: Final answer
    x = 1,663.31

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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.