Home / 2,684.20-4,016.22-1,906.11

Finding the Fourth Proportional to 2,684.20, 4,016.22 and 1,906.11

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Solution

The fourth proportional to 2,684.20, 4,016.22 and 1,906.11 is: 2,852.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684.20 : 4,016.22 = 1,906.11 : x
  2. Step 2: Convert to fraction form
    2,684.20/4,016.22 = 1,906.11/x
  3. Step 3: Cross multiply
    2,684.20x = 4,016.22 × 1,906.11
  4. Step 4: Simplify right side
    2,684.20x = 7,655,346.70
  5. Step 5: Solve for x
    x = 7,655,346.70/2,684.20
  6. Step 6: Final answer
    x = 2,852.00

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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.