Home / 3,760.22-5,188.86-2,081.53

Finding the Fourth Proportional to 3,760.22, 5,188.86 and 2,081.53

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Solution

The fourth proportional to 3,760.22, 5,188.86 and 2,081.53 is: 2,872.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.22 : 5,188.86 = 2,081.53 : x
  2. Step 2: Convert to fraction form
    3,760.22/5,188.86 = 2,081.53/x
  3. Step 3: Cross multiply
    3,760.22x = 5,188.86 × 2,081.53
  4. Step 4: Simplify right side
    3,760.22x = 10,800,774.24
  5. Step 5: Solve for x
    x = 10,800,774.24/3,760.22
  6. Step 6: Final answer
    x = 2,872.38

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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.