Home / 3,937.30-5,433.57-2,168.92

Finding the Fourth Proportional to 3,937.30, 5,433.57 and 2,168.92

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Solution

The fourth proportional to 3,937.30, 5,433.57 and 2,168.92 is: 2,993.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.30 : 5,433.57 = 2,168.92 : x
  2. Step 2: Convert to fraction form
    3,937.30/5,433.57 = 2,168.92/x
  3. Step 3: Cross multiply
    3,937.30x = 5,433.57 × 2,168.92
  4. Step 4: Simplify right side
    3,937.30x = 11,784,978.64
  5. Step 5: Solve for x
    x = 11,784,978.64/3,937.30
  6. Step 6: Final answer
    x = 2,993.16

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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.