Home / 1,979.44-2,731.39-1,095.12

Finding the Fourth Proportional to 1,979.44, 2,731.39 and 1,095.12

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Solution

The fourth proportional to 1,979.44, 2,731.39 and 1,095.12 is: 1,511.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979.44 : 2,731.39 = 1,095.12 : x
  2. Step 2: Convert to fraction form
    1,979.44/2,731.39 = 1,095.12/x
  3. Step 3: Cross multiply
    1,979.44x = 2,731.39 × 1,095.12
  4. Step 4: Simplify right side
    1,979.44x = 2,991,197.08
  5. Step 5: Solve for x
    x = 2,991,197.08/1,979.44
  6. Step 6: Final answer
    x = 1,511.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.