Home / 2,106.01-2,906.17-1,161.80

Finding the Fourth Proportional to 2,106.01, 2,906.17 and 1,161.80

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Solution

The fourth proportional to 2,106.01, 2,906.17 and 1,161.80 is: 1,603.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106.01 : 2,906.17 = 1,161.80 : x
  2. Step 2: Convert to fraction form
    2,106.01/2,906.17 = 1,161.80/x
  3. Step 3: Cross multiply
    2,106.01x = 2,906.17 × 1,161.80
  4. Step 4: Simplify right side
    2,106.01x = 3,376,382.50
  5. Step 5: Solve for x
    x = 3,376,382.50/2,106.01
  6. Step 6: Final answer
    x = 1,603.22

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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.