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Finding the Fourth Proportional to 1,941.91, 2,910.08 and 1,553.09

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Solution

The fourth proportional to 1,941.91, 2,910.08 and 1,553.09 is: 2,327.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.91 : 2,910.08 = 1,553.09 : x
  2. Step 2: Convert to fraction form
    1,941.91/2,910.08 = 1,553.09/x
  3. Step 3: Cross multiply
    1,941.91x = 2,910.08 × 1,553.09
  4. Step 4: Simplify right side
    1,941.91x = 4,519,605.48
  5. Step 5: Solve for x
    x = 4,519,605.48/1,941.91
  6. Step 6: Final answer
    x = 2,327.41

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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.