Home / 2,206.05-3,044.39-1,211.31

Finding the Fourth Proportional to 2,206.05, 3,044.39 and 1,211.31

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Solution

The fourth proportional to 2,206.05, 3,044.39 and 1,211.31 is: 1,671.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.05 : 3,044.39 = 1,211.31 : x
  2. Step 2: Convert to fraction form
    2,206.05/3,044.39 = 1,211.31/x
  3. Step 3: Cross multiply
    2,206.05x = 3,044.39 × 1,211.31
  4. Step 4: Simplify right side
    2,206.05x = 3,687,693.99
  5. Step 5: Solve for x
    x = 3,687,693.99/2,206.05
  6. Step 6: Final answer
    x = 1,671.63

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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.