Home / 2,206.08-3,044.48-1,211.36

Finding the Fourth Proportional to 2,206.08, 3,044.48 and 1,211.36

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Solution

The fourth proportional to 2,206.08, 3,044.48 and 1,211.36 is: 1,671.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.08 : 3,044.48 = 1,211.36 : x
  2. Step 2: Convert to fraction form
    2,206.08/3,044.48 = 1,211.36/x
  3. Step 3: Cross multiply
    2,206.08x = 3,044.48 × 1,211.36
  4. Step 4: Simplify right side
    2,206.08x = 3,687,940.01
  5. Step 5: Solve for x
    x = 3,687,940.01/2,206.08
  6. Step 6: Final answer
    x = 1,671.72

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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.