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Finding the Fourth Proportional to 2,044.50, 3,064.32 and 874.14

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Solution

The fourth proportional to 2,044.50, 3,064.32 and 874.14 is: 1,310.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,044.50 : 3,064.32 = 874.14 : x
  2. Step 2: Convert to fraction form
    2,044.50/3,064.32 = 874.14/x
  3. Step 3: Cross multiply
    2,044.50x = 3,064.32 × 874.14
  4. Step 4: Simplify right side
    2,044.50x = 2,678,644.68
  5. Step 5: Solve for x
    x = 2,678,644.68/2,044.50
  6. Step 6: Final answer
    x = 1,310.17

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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.