Home / 1,979.54-2,731.62-1,095.27

Finding the Fourth Proportional to 1,979.54, 2,731.62 and 1,095.27

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Solution

The fourth proportional to 1,979.54, 2,731.62 and 1,095.27 is: 1,511.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979.54 : 2,731.62 = 1,095.27 : x
  2. Step 2: Convert to fraction form
    1,979.54/2,731.62 = 1,095.27/x
  3. Step 3: Cross multiply
    1,979.54x = 2,731.62 × 1,095.27
  4. Step 4: Simplify right side
    1,979.54x = 2,991,861.44
  5. Step 5: Solve for x
    x = 2,991,861.44/1,979.54
  6. Step 6: Final answer
    x = 1,511.39

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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.