Home / 2,772.43-4,163.34-1,853.89

Finding the Fourth Proportional to 2,772.43, 4,163.34 and 1,853.89

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Solution

The fourth proportional to 2,772.43, 4,163.34 and 1,853.89 is: 2,783.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.43 : 4,163.34 = 1,853.89 : x
  2. Step 2: Convert to fraction form
    2,772.43/4,163.34 = 1,853.89/x
  3. Step 3: Cross multiply
    2,772.43x = 4,163.34 × 1,853.89
  4. Step 4: Simplify right side
    2,772.43x = 7,718,374.39
  5. Step 5: Solve for x
    x = 7,718,374.39/2,772.43
  6. Step 6: Final answer
    x = 2,783.97

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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.