Home / 2,119.82-3,179.73-1,707.02

Finding the Fourth Proportional to 2,119.82, 3,179.73 and 1,707.02

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Solution

The fourth proportional to 2,119.82, 3,179.73 and 1,707.02 is: 2,560.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119.82 : 3,179.73 = 1,707.02 : x
  2. Step 2: Convert to fraction form
    2,119.82/3,179.73 = 1,707.02/x
  3. Step 3: Cross multiply
    2,119.82x = 3,179.73 × 1,707.02
  4. Step 4: Simplify right side
    2,119.82x = 5,427,862.70
  5. Step 5: Solve for x
    x = 5,427,862.70/2,119.82
  6. Step 6: Final answer
    x = 2,560.53

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Similar ratio
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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.