Home / 3,098.26-4,269.69-2,212.53

Finding the Fourth Proportional to 3,098.26, 4,269.69 and 2,212.53

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Solution

The fourth proportional to 3,098.26, 4,269.69 and 2,212.53 is: 3,049.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.26 : 4,269.69 = 2,212.53 : x
  2. Step 2: Convert to fraction form
    3,098.26/4,269.69 = 2,212.53/x
  3. Step 3: Cross multiply
    3,098.26x = 4,269.69 × 2,212.53
  4. Step 4: Simplify right side
    3,098.26x = 9,446,801.20
  5. Step 5: Solve for x
    x = 9,446,801.20/3,098.26
  6. Step 6: Final answer
    x = 3,049.07

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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.