Home / 1,979.26-2,731.07-1,095.07

Finding the Fourth Proportional to 1,979.26, 2,731.07 and 1,095.07

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Solution

The fourth proportional to 1,979.26, 2,731.07 and 1,095.07 is: 1,511.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979.26 : 2,731.07 = 1,095.07 : x
  2. Step 2: Convert to fraction form
    1,979.26/2,731.07 = 1,095.07/x
  3. Step 3: Cross multiply
    1,979.26x = 2,731.07 × 1,095.07
  4. Step 4: Simplify right side
    1,979.26x = 2,990,699.17
  5. Step 5: Solve for x
    x = 2,990,699.17/1,979.26
  6. Step 6: Final answer
    x = 1,511.02

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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.