Home / 1,727.31-2,383.92-1,097.90

Finding the Fourth Proportional to 1,727.31, 2,383.92 and 1,097.90

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Solution

The fourth proportional to 1,727.31, 2,383.92 and 1,097.90 is: 1,515.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727.31 : 2,383.92 = 1,097.90 : x
  2. Step 2: Convert to fraction form
    1,727.31/2,383.92 = 1,097.90/x
  3. Step 3: Cross multiply
    1,727.31x = 2,383.92 × 1,097.90
  4. Step 4: Simplify right side
    1,727.31x = 2,617,293.85
  5. Step 5: Solve for x
    x = 2,617,293.85/1,727.31
  6. Step 6: Final answer
    x = 1,515.24

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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.