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Finding the Fourth Proportional to 1,092.27, 1,509.26 and 873.03

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Solution

The fourth proportional to 1,092.27, 1,509.26 and 873.03 is: 1,206.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092.27 : 1,509.26 = 873.03 : x
  2. Step 2: Convert to fraction form
    1,092.27/1,509.26 = 873.03/x
  3. Step 3: Cross multiply
    1,092.27x = 1,509.26 × 873.03
  4. Step 4: Simplify right side
    1,092.27x = 1,317,624.89
  5. Step 5: Solve for x
    x = 1,317,624.89/1,092.27
  6. Step 6: Final answer
    x = 1,206.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.