Home / 3,937.02-5,433.13-2,168.64

Finding the Fourth Proportional to 3,937.02, 5,433.13 and 2,168.64

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Solution

The fourth proportional to 3,937.02, 5,433.13 and 2,168.64 is: 2,992.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.02 : 5,433.13 = 2,168.64 : x
  2. Step 2: Convert to fraction form
    3,937.02/5,433.13 = 2,168.64/x
  3. Step 3: Cross multiply
    3,937.02x = 5,433.13 × 2,168.64
  4. Step 4: Simplify right side
    3,937.02x = 11,782,503.04
  5. Step 5: Solve for x
    x = 11,782,503.04/3,937.02
  6. Step 6: Final answer
    x = 2,992.75

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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.