Home / 2,850.12-3,933.30-1,607.88

Finding the Fourth Proportional to 2,850.12, 3,933.30 and 1,607.88

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Solution

The fourth proportional to 2,850.12, 3,933.30 and 1,607.88 is: 2,218.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.12 : 3,933.30 = 1,607.88 : x
  2. Step 2: Convert to fraction form
    2,850.12/3,933.30 = 1,607.88/x
  3. Step 3: Cross multiply
    2,850.12x = 3,933.30 × 1,607.88
  4. Step 4: Simplify right side
    2,850.12x = 6,324,274.40
  5. Step 5: Solve for x
    x = 6,324,274.40/2,850.12
  6. Step 6: Final answer
    x = 2,218.95

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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.