Home / 2,380.97-3,571.46-1,148.15

Finding the Fourth Proportional to 2,380.97, 3,571.46 and 1,148.15

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Solution

The fourth proportional to 2,380.97, 3,571.46 and 1,148.15 is: 1,722.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.97 : 3,571.46 = 1,148.15 : x
  2. Step 2: Convert to fraction form
    2,380.97/3,571.46 = 1,148.15/x
  3. Step 3: Cross multiply
    2,380.97x = 3,571.46 × 1,148.15
  4. Step 4: Simplify right side
    2,380.97x = 4,100,579.29
  5. Step 5: Solve for x
    x = 4,100,579.29/2,380.97
  6. Step 6: Final answer
    x = 1,722.23

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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.