Home / 2,456.12-3,684.20-2,021.96

Finding the Fourth Proportional to 2,456.12, 3,684.20 and 2,021.96

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Solution

The fourth proportional to 2,456.12, 3,684.20 and 2,021.96 is: 3,032.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,456.12 : 3,684.20 = 2,021.96 : x
  2. Step 2: Convert to fraction form
    2,456.12/3,684.20 = 2,021.96/x
  3. Step 3: Cross multiply
    2,456.12x = 3,684.20 × 2,021.96
  4. Step 4: Simplify right side
    2,456.12x = 7,449,276.50
  5. Step 5: Solve for x
    x = 7,449,276.50/2,456.12
  6. Step 6: Final answer
    x = 3,032.95

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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.