Home / 3,884.34-5,360.05-2,205.82

Finding the Fourth Proportional to 3,884.34, 5,360.05 and 2,205.82

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Solution

The fourth proportional to 3,884.34, 5,360.05 and 2,205.82 is: 3,043.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.34 : 5,360.05 = 2,205.82 : x
  2. Step 2: Convert to fraction form
    3,884.34/5,360.05 = 2,205.82/x
  3. Step 3: Cross multiply
    3,884.34x = 5,360.05 × 2,205.82
  4. Step 4: Simplify right side
    3,884.34x = 11,823,314.95
  5. Step 5: Solve for x
    x = 11,823,314.95/3,884.34
  6. Step 6: Final answer
    x = 3,043.84

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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.