Home / 3,771.42-5,209.58-3,144.04

Finding the Fourth Proportional to 3,771.42, 5,209.58 and 3,144.04

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Solution

The fourth proportional to 3,771.42, 5,209.58 and 3,144.04 is: 4,342.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.42 : 5,209.58 = 3,144.04 : x
  2. Step 2: Convert to fraction form
    3,771.42/5,209.58 = 3,144.04/x
  3. Step 3: Cross multiply
    3,771.42x = 5,209.58 × 3,144.04
  4. Step 4: Simplify right side
    3,771.42x = 16,379,127.90
  5. Step 5: Solve for x
    x = 16,379,127.90/3,771.42
  6. Step 6: Final answer
    x = 4,342.96

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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.