Home / 3,185.13-4,771.49-2,086.16

Finding the Fourth Proportional to 3,185.13, 4,771.49 and 2,086.16

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Solution

The fourth proportional to 3,185.13, 4,771.49 and 2,086.16 is: 3,125.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.13 : 4,771.49 = 2,086.16 : x
  2. Step 2: Convert to fraction form
    3,185.13/4,771.49 = 2,086.16/x
  3. Step 3: Cross multiply
    3,185.13x = 4,771.49 × 2,086.16
  4. Step 4: Simplify right side
    3,185.13x = 9,954,057.29
  5. Step 5: Solve for x
    x = 9,954,057.29/3,185.13
  6. Step 6: Final answer
    x = 3,125.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.