Home / 3,170.91-4,376.13-1,993.17

Finding the Fourth Proportional to 3,170.91, 4,376.13 and 1,993.17

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Solution

The fourth proportional to 3,170.91, 4,376.13 and 1,993.17 is: 2,750.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.91 : 4,376.13 = 1,993.17 : x
  2. Step 2: Convert to fraction form
    3,170.91/4,376.13 = 1,993.17/x
  3. Step 3: Cross multiply
    3,170.91x = 4,376.13 × 1,993.17
  4. Step 4: Simplify right side
    3,170.91x = 8,722,371.03
  5. Step 5: Solve for x
    x = 8,722,371.03/3,170.91
  6. Step 6: Final answer
    x = 2,750.75

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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.