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Finding the Fourth Proportional to 1,334.62, 1,841.73 and 745.14

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Solution

The fourth proportional to 1,334.62, 1,841.73 and 745.14 is: 1,028.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334.62 : 1,841.73 = 745.14 : x
  2. Step 2: Convert to fraction form
    1,334.62/1,841.73 = 745.14/x
  3. Step 3: Cross multiply
    1,334.62x = 1,841.73 × 745.14
  4. Step 4: Simplify right side
    1,334.62x = 1,372,346.69
  5. Step 5: Solve for x
    x = 1,372,346.69/1,334.62
  6. Step 6: Final answer
    x = 1,028.27

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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.