Home / 2,617.24-3,609.97-2,221.54

Finding the Fourth Proportional to 2,617.24, 3,609.97 and 2,221.54

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Solution

The fourth proportional to 2,617.24, 3,609.97 and 2,221.54 is: 3,064.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617.24 : 3,609.97 = 2,221.54 : x
  2. Step 2: Convert to fraction form
    2,617.24/3,609.97 = 2,221.54/x
  3. Step 3: Cross multiply
    2,617.24x = 3,609.97 × 2,221.54
  4. Step 4: Simplify right side
    2,617.24x = 8,019,692.75
  5. Step 5: Solve for x
    x = 8,019,692.75/2,617.24
  6. Step 6: Final answer
    x = 3,064.18

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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.