Home / 2,112.59-3,171.11-1,727.03

Finding the Fourth Proportional to 2,112.59, 3,171.11 and 1,727.03

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Solution

The fourth proportional to 2,112.59, 3,171.11 and 1,727.03 is: 2,592.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112.59 : 3,171.11 = 1,727.03 : x
  2. Step 2: Convert to fraction form
    2,112.59/3,171.11 = 1,727.03/x
  3. Step 3: Cross multiply
    2,112.59x = 3,171.11 × 1,727.03
  4. Step 4: Simplify right side
    2,112.59x = 5,476,602.10
  5. Step 5: Solve for x
    x = 5,476,602.10/2,112.59
  6. Step 6: Final answer
    x = 2,592.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.