Home / 3,108.12-4,664.32-2,009.76

Finding the Fourth Proportional to 3,108.12, 4,664.32 and 2,009.76

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Solution

The fourth proportional to 3,108.12, 4,664.32 and 2,009.76 is: 3,016.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.12 : 4,664.32 = 2,009.76 : x
  2. Step 2: Convert to fraction form
    3,108.12/4,664.32 = 2,009.76/x
  3. Step 3: Cross multiply
    3,108.12x = 4,664.32 × 2,009.76
  4. Step 4: Simplify right side
    3,108.12x = 9,374,163.76
  5. Step 5: Solve for x
    x = 9,374,163.76/3,108.12
  6. Step 6: Final answer
    x = 3,016.02

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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.