Home / 3,234.90-4,841.42-2,688.15

Finding the Fourth Proportional to 3,234.90, 4,841.42 and 2,688.15

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Solution

The fourth proportional to 3,234.90, 4,841.42 and 2,688.15 is: 4,023.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,234.90 : 4,841.42 = 2,688.15 : x
  2. Step 2: Convert to fraction form
    3,234.90/4,841.42 = 2,688.15/x
  3. Step 3: Cross multiply
    3,234.90x = 4,841.42 × 2,688.15
  4. Step 4: Simplify right side
    3,234.90x = 13,014,449.73
  5. Step 5: Solve for x
    x = 13,014,449.73/3,234.90
  6. Step 6: Final answer
    x = 4,023.14

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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.