Home / 3,883.88-5,359.92-2,205.50

Finding the Fourth Proportional to 3,883.88, 5,359.92 and 2,205.50

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Solution

The fourth proportional to 3,883.88, 5,359.92 and 2,205.50 is: 3,043.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883.88 : 5,359.92 = 2,205.50 : x
  2. Step 2: Convert to fraction form
    3,883.88/5,359.92 = 2,205.50/x
  3. Step 3: Cross multiply
    3,883.88x = 5,359.92 × 2,205.50
  4. Step 4: Simplify right side
    3,883.88x = 11,821,303.56
  5. Step 5: Solve for x
    x = 11,821,303.56/3,883.88
  6. Step 6: Final answer
    x = 3,043.68

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1.5x scale

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.