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Finding the Fourth Proportional to 1,194, 1,792.98 and 1,104.18

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Solution

The fourth proportional to 1,194, 1,792.98 and 1,104.18 is: 1,658.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194 : 1,792.98 = 1,104.18 : x
  2. Step 2: Convert to fraction form
    1,194/1,792.98 = 1,104.18/x
  3. Step 3: Cross multiply
    1,194x = 1,792.98 × 1,104.18
  4. Step 4: Simplify right side
    1,194x = 1,979,772.66
  5. Step 5: Solve for x
    x = 1,979,772.66/1,194
  6. Step 6: Final answer
    x = 1,658.10

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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.