Home / 1,327.09-1,979.05-1,163.32

Finding the Fourth Proportional to 1,327.09, 1,979.05 and 1,163.32

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Solution

The fourth proportional to 1,327.09, 1,979.05 and 1,163.32 is: 1,734.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327.09 : 1,979.05 = 1,163.32 : x
  2. Step 2: Convert to fraction form
    1,327.09/1,979.05 = 1,163.32/x
  3. Step 3: Cross multiply
    1,327.09x = 1,979.05 × 1,163.32
  4. Step 4: Simplify right side
    1,327.09x = 2,302,252.73
  5. Step 5: Solve for x
    x = 2,302,252.73/1,327.09
  6. Step 6: Final answer
    x = 1,734.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.