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Finding the Fourth Proportional to 1,481.93, 2,045.22 and 852.48

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Solution

The fourth proportional to 1,481.93, 2,045.22 and 852.48 is: 1,176.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481.93 : 2,045.22 = 852.48 : x
  2. Step 2: Convert to fraction form
    1,481.93/2,045.22 = 852.48/x
  3. Step 3: Cross multiply
    1,481.93x = 2,045.22 × 852.48
  4. Step 4: Simplify right side
    1,481.93x = 1,743,504.88
  5. Step 5: Solve for x
    x = 1,743,504.88/1,481.93
  6. Step 6: Final answer
    x = 1,176.51

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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.