Home / 3,512.18-4,847.92-2,185.10

Finding the Fourth Proportional to 3,512.18, 4,847.92 and 2,185.10

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Solution

The fourth proportional to 3,512.18, 4,847.92 and 2,185.10 is: 3,016.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.18 : 4,847.92 = 2,185.10 : x
  2. Step 2: Convert to fraction form
    3,512.18/4,847.92 = 2,185.10/x
  3. Step 3: Cross multiply
    3,512.18x = 4,847.92 × 2,185.10
  4. Step 4: Simplify right side
    3,512.18x = 10,593,189.99
  5. Step 5: Solve for x
    x = 10,593,189.99/3,512.18
  6. Step 6: Final answer
    x = 3,016.13

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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.