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Finding the Fourth Proportional to 1,327.54, 1,832 and 738.11

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Solution

The fourth proportional to 1,327.54, 1,832 and 738.11 is: 1,018.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327.54 : 1,832 = 738.11 : x
  2. Step 2: Convert to fraction form
    1,327.54/1,832 = 738.11/x
  3. Step 3: Cross multiply
    1,327.54x = 1,832 × 738.11
  4. Step 4: Simplify right side
    1,327.54x = 1,352,208.36
  5. Step 5: Solve for x
    x = 1,352,208.36/1,327.54
  6. Step 6: Final answer
    x = 1,018.59

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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.