Home / 3,937.29-5,433.51-2,168.86

Finding the Fourth Proportional to 3,937.29, 5,433.51 and 2,168.86

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Solution

The fourth proportional to 3,937.29, 5,433.51 and 2,168.86 is: 2,993.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.29 : 5,433.51 = 2,168.86 : x
  2. Step 2: Convert to fraction form
    3,937.29/5,433.51 = 2,168.86/x
  3. Step 3: Cross multiply
    3,937.29x = 5,433.51 × 2,168.86
  4. Step 4: Simplify right side
    3,937.29x = 11,784,522.50
  5. Step 5: Solve for x
    x = 11,784,522.50/3,937.29
  6. Step 6: Final answer
    x = 2,993.05

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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.