Home / 1,979.27-2,730.97-1,193.30

Finding the Fourth Proportional to 1,979.27, 2,730.97 and 1,193.30

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Solution

The fourth proportional to 1,979.27, 2,730.97 and 1,193.30 is: 1,646.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979.27 : 2,730.97 = 1,193.30 : x
  2. Step 2: Convert to fraction form
    1,979.27/2,730.97 = 1,193.30/x
  3. Step 3: Cross multiply
    1,979.27x = 2,730.97 × 1,193.30
  4. Step 4: Simplify right side
    1,979.27x = 3,258,857.87
  5. Step 5: Solve for x
    x = 3,258,857.87/1,979.27
  6. Step 6: Final answer
    x = 1,646.50

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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.