Home / 3,760.07-5,188.90-2,081.55

Finding the Fourth Proportional to 3,760.07, 5,188.90 and 2,081.55

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Solution

The fourth proportional to 3,760.07, 5,188.90 and 2,081.55 is: 2,872.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.07 : 5,188.90 = 2,081.55 : x
  2. Step 2: Convert to fraction form
    3,760.07/5,188.90 = 2,081.55/x
  3. Step 3: Cross multiply
    3,760.07x = 5,188.90 × 2,081.55
  4. Step 4: Simplify right side
    3,760.07x = 10,800,954.80
  5. Step 5: Solve for x
    x = 10,800,954.80/3,760.07
  6. Step 6: Final answer
    x = 2,872.54

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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.