Home / 3,884.55-5,820.35-2,728.23

Finding the Fourth Proportional to 3,884.55, 5,820.35 and 2,728.23

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Solution

The fourth proportional to 3,884.55, 5,820.35 and 2,728.23 is: 4,087.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.55 : 5,820.35 = 2,728.23 : x
  2. Step 2: Convert to fraction form
    3,884.55/5,820.35 = 2,728.23/x
  3. Step 3: Cross multiply
    3,884.55x = 5,820.35 × 2,728.23
  4. Step 4: Simplify right side
    3,884.55x = 15,879,239.84
  5. Step 5: Solve for x
    x = 15,879,239.84/3,884.55
  6. Step 6: Final answer
    x = 4,087.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.