Home / 2,382.17-3,571.43-1,212.66

Finding the Fourth Proportional to 2,382.17, 3,571.43 and 1,212.66

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Solution

The fourth proportional to 2,382.17, 3,571.43 and 1,212.66 is: 1,818.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,382.17 : 3,571.43 = 1,212.66 : x
  2. Step 2: Convert to fraction form
    2,382.17/3,571.43 = 1,212.66/x
  3. Step 3: Cross multiply
    2,382.17x = 3,571.43 × 1,212.66
  4. Step 4: Simplify right side
    2,382.17x = 4,330,924.24
  5. Step 5: Solve for x
    x = 4,330,924.24/2,382.17
  6. Step 6: Final answer
    x = 1,818.06

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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.