Home / 3,016.92-4,161.06-1,969.32

Finding the Fourth Proportional to 3,016.92, 4,161.06 and 1,969.32

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Solution

The fourth proportional to 3,016.92, 4,161.06 and 1,969.32 is: 2,716.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016.92 : 4,161.06 = 1,969.32 : x
  2. Step 2: Convert to fraction form
    3,016.92/4,161.06 = 1,969.32/x
  3. Step 3: Cross multiply
    3,016.92x = 4,161.06 × 1,969.32
  4. Step 4: Simplify right side
    3,016.92x = 8,194,458.68
  5. Step 5: Solve for x
    x = 8,194,458.68/3,016.92
  6. Step 6: Final answer
    x = 2,716.17

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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.