Home / 3,884.45-5,360.63-2,205.78

Finding the Fourth Proportional to 3,884.45, 5,360.63 and 2,205.78

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Solution

The fourth proportional to 3,884.45, 5,360.63 and 2,205.78 is: 3,044.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.45 : 5,360.63 = 2,205.78 : x
  2. Step 2: Convert to fraction form
    3,884.45/5,360.63 = 2,205.78/x
  3. Step 3: Cross multiply
    3,884.45x = 5,360.63 × 2,205.78
  4. Step 4: Simplify right side
    3,884.45x = 11,824,359.41
  5. Step 5: Solve for x
    x = 11,824,359.41/3,884.45
  6. Step 6: Final answer
    x = 3,044.03

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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.