Home / 3,105.48-4,660.22-2,065.96

Finding the Fourth Proportional to 3,105.48, 4,660.22 and 2,065.96

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Solution

The fourth proportional to 3,105.48, 4,660.22 and 2,065.96 is: 3,100.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105.48 : 4,660.22 = 2,065.96 : x
  2. Step 2: Convert to fraction form
    3,105.48/4,660.22 = 2,065.96/x
  3. Step 3: Cross multiply
    3,105.48x = 4,660.22 × 2,065.96
  4. Step 4: Simplify right side
    3,105.48x = 9,627,828.11
  5. Step 5: Solve for x
    x = 9,627,828.11/3,105.48
  6. Step 6: Final answer
    x = 3,100.27

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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.