Home / 3,512.24-4,847.82-2,185.19

Finding the Fourth Proportional to 3,512.24, 4,847.82 and 2,185.19

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Solution

The fourth proportional to 3,512.24, 4,847.82 and 2,185.19 is: 3,016.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.24 : 4,847.82 = 2,185.19 : x
  2. Step 2: Convert to fraction form
    3,512.24/4,847.82 = 2,185.19/x
  3. Step 3: Cross multiply
    3,512.24x = 4,847.82 × 2,185.19
  4. Step 4: Simplify right side
    3,512.24x = 10,593,407.79
  5. Step 5: Solve for x
    x = 10,593,407.79/3,512.24
  6. Step 6: Final answer
    x = 3,016.14

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Half scale
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Double scale
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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.