Home / 2,206.33-3,044.82-1,211.70

Finding the Fourth Proportional to 2,206.33, 3,044.82 and 1,211.70

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Solution

The fourth proportional to 2,206.33, 3,044.82 and 1,211.70 is: 1,672.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.33 : 3,044.82 = 1,211.70 : x
  2. Step 2: Convert to fraction form
    2,206.33/3,044.82 = 1,211.70/x
  3. Step 3: Cross multiply
    2,206.33x = 3,044.82 × 1,211.70
  4. Step 4: Simplify right side
    2,206.33x = 3,689,416.01
  5. Step 5: Solve for x
    x = 3,689,416.01/2,206.33
  6. Step 6: Final answer
    x = 1,672.19

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1.5x scale

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.