Home / 3,168.44-4,372.74-1,771.64

Finding the Fourth Proportional to 3,168.44, 4,372.74 and 1,771.64

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Solution

The fourth proportional to 3,168.44, 4,372.74 and 1,771.64 is: 2,445.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.44 : 4,372.74 = 1,771.64 : x
  2. Step 2: Convert to fraction form
    3,168.44/4,372.74 = 1,771.64/x
  3. Step 3: Cross multiply
    3,168.44x = 4,372.74 × 1,771.64
  4. Step 4: Simplify right side
    3,168.44x = 7,746,921.09
  5. Step 5: Solve for x
    x = 7,746,921.09/3,168.44
  6. Step 6: Final answer
    x = 2,445.03

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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.