Home / 2,106.11-2,906.45-1,161.94

Finding the Fourth Proportional to 2,106.11, 2,906.45 and 1,161.94

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Solution

The fourth proportional to 2,106.11, 2,906.45 and 1,161.94 is: 1,603.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106.11 : 2,906.45 = 1,161.94 : x
  2. Step 2: Convert to fraction form
    2,106.11/2,906.45 = 1,161.94/x
  3. Step 3: Cross multiply
    2,106.11x = 2,906.45 × 1,161.94
  4. Step 4: Simplify right side
    2,106.11x = 3,377,100.17
  5. Step 5: Solve for x
    x = 3,377,100.17/2,106.11
  6. Step 6: Final answer
    x = 1,603.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.