Home / 3,900.11-5,847.83-1,645.96

Finding the Fourth Proportional to 3,900.11, 5,847.83 and 1,645.96

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Solution

The fourth proportional to 3,900.11, 5,847.83 and 1,645.96 is: 2,467.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900.11 : 5,847.83 = 1,645.96 : x
  2. Step 2: Convert to fraction form
    3,900.11/5,847.83 = 1,645.96/x
  3. Step 3: Cross multiply
    3,900.11x = 5,847.83 × 1,645.96
  4. Step 4: Simplify right side
    3,900.11x = 9,625,294.27
  5. Step 5: Solve for x
    x = 9,625,294.27/3,900.11
  6. Step 6: Final answer
    x = 2,467.95

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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.