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Finding the Fourth Proportional to 1,450.34, 1,999.96 and 1,241.22

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Solution

The fourth proportional to 1,450.34, 1,999.96 and 1,241.22 is: 1,711.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450.34 : 1,999.96 = 1,241.22 : x
  2. Step 2: Convert to fraction form
    1,450.34/1,999.96 = 1,241.22/x
  3. Step 3: Cross multiply
    1,450.34x = 1,999.96 × 1,241.22
  4. Step 4: Simplify right side
    1,450.34x = 2,482,390.35
  5. Step 5: Solve for x
    x = 2,482,390.35/1,450.34
  6. Step 6: Final answer
    x = 1,711.59

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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.