Home / 2,918.92-4,028.50-1,724.48

Finding the Fourth Proportional to 2,918.92, 4,028.50 and 1,724.48

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Solution

The fourth proportional to 2,918.92, 4,028.50 and 1,724.48 is: 2,380.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.92 : 4,028.50 = 1,724.48 : x
  2. Step 2: Convert to fraction form
    2,918.92/4,028.50 = 1,724.48/x
  3. Step 3: Cross multiply
    2,918.92x = 4,028.50 × 1,724.48
  4. Step 4: Simplify right side
    2,918.92x = 6,947,067.68
  5. Step 5: Solve for x
    x = 6,947,067.68/2,918.92
  6. Step 6: Final answer
    x = 2,380.01

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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.