Home / 3,937.63-5,433.92-2,169.23

Finding the Fourth Proportional to 3,937.63, 5,433.92 and 2,169.23

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Solution

The fourth proportional to 3,937.63, 5,433.92 and 2,169.23 is: 2,993.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.63 : 5,433.92 = 2,169.23 : x
  2. Step 2: Convert to fraction form
    3,937.63/5,433.92 = 2,169.23/x
  3. Step 3: Cross multiply
    3,937.63x = 5,433.92 × 2,169.23
  4. Step 4: Simplify right side
    3,937.63x = 11,787,422.28
  5. Step 5: Solve for x
    x = 11,787,422.28/3,937.63
  6. Step 6: Final answer
    x = 2,993.53

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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.