Home / 3,100.11-4,645.94-1,711.38

Finding the Fourth Proportional to 3,100.11, 4,645.94 and 1,711.38

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Solution

The fourth proportional to 3,100.11, 4,645.94 and 1,711.38 is: 2,564.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.11 : 4,645.94 = 1,711.38 : x
  2. Step 2: Convert to fraction form
    3,100.11/4,645.94 = 1,711.38/x
  3. Step 3: Cross multiply
    3,100.11x = 4,645.94 × 1,711.38
  4. Step 4: Simplify right side
    3,100.11x = 7,950,968.80
  5. Step 5: Solve for x
    x = 7,950,968.80/3,100.11
  6. Step 6: Final answer
    x = 2,564.74

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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.