Home / 3,757.62-5,185.35-2,079.09

Finding the Fourth Proportional to 3,757.62, 5,185.35 and 2,079.09

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Solution

The fourth proportional to 3,757.62, 5,185.35 and 2,079.09 is: 2,869.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,757.62 : 5,185.35 = 2,079.09 : x
  2. Step 2: Convert to fraction form
    3,757.62/5,185.35 = 2,079.09/x
  3. Step 3: Cross multiply
    3,757.62x = 5,185.35 × 2,079.09
  4. Step 4: Simplify right side
    3,757.62x = 10,780,809.33
  5. Step 5: Solve for x
    x = 10,780,809.33/3,757.62
  6. Step 6: Final answer
    x = 2,869.05

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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.