Home / 3,163.07-4,364.73-2,169.20

Finding the Fourth Proportional to 3,163.07, 4,364.73 and 2,169.20

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Solution

The fourth proportional to 3,163.07, 4,364.73 and 2,169.20 is: 2,993.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.07 : 4,364.73 = 2,169.20 : x
  2. Step 2: Convert to fraction form
    3,163.07/4,364.73 = 2,169.20/x
  3. Step 3: Cross multiply
    3,163.07x = 4,364.73 × 2,169.20
  4. Step 4: Simplify right side
    3,163.07x = 9,467,972.32
  5. Step 5: Solve for x
    x = 9,467,972.32/3,163.07
  6. Step 6: Final answer
    x = 2,993.29

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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.