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Finding the Fourth Proportional to 1,954.50, 2,932.49 and 1,262.49

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Solution

The fourth proportional to 1,954.50, 2,932.49 and 1,262.49 is: 1,894.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954.50 : 2,932.49 = 1,262.49 : x
  2. Step 2: Convert to fraction form
    1,954.50/2,932.49 = 1,262.49/x
  3. Step 3: Cross multiply
    1,954.50x = 2,932.49 × 1,262.49
  4. Step 4: Simplify right side
    1,954.50x = 3,702,239.30
  5. Step 5: Solve for x
    x = 3,702,239.30/1,954.50
  6. Step 6: Final answer
    x = 1,894.21

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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.