Home / 2,206.26-3,044.69-1,211.61

Finding the Fourth Proportional to 2,206.26, 3,044.69 and 1,211.61

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Solution

The fourth proportional to 2,206.26, 3,044.69 and 1,211.61 is: 1,672.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.26 : 3,044.69 = 1,211.61 : x
  2. Step 2: Convert to fraction form
    2,206.26/3,044.69 = 1,211.61/x
  3. Step 3: Cross multiply
    2,206.26x = 3,044.69 × 1,211.61
  4. Step 4: Simplify right side
    2,206.26x = 3,688,970.79
  5. Step 5: Solve for x
    x = 3,688,970.79/2,206.26
  6. Step 6: Final answer
    x = 1,672.05

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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.