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Finding the Fourth Proportional to 1,468.29, 2,027.13 and 879.03

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Solution

The fourth proportional to 1,468.29, 2,027.13 and 879.03 is: 1,213.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,468.29 : 2,027.13 = 879.03 : x
  2. Step 2: Convert to fraction form
    1,468.29/2,027.13 = 879.03/x
  3. Step 3: Cross multiply
    1,468.29x = 2,027.13 × 879.03
  4. Step 4: Simplify right side
    1,468.29x = 1,781,908.08
  5. Step 5: Solve for x
    x = 1,781,908.08/1,468.29
  6. Step 6: Final answer
    x = 1,213.59

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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.