Home / 3,825.89-5,736.44-2,180.16

Finding the Fourth Proportional to 3,825.89, 5,736.44 and 2,180.16

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Solution

The fourth proportional to 3,825.89, 5,736.44 and 2,180.16 is: 3,268.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825.89 : 5,736.44 = 2,180.16 : x
  2. Step 2: Convert to fraction form
    3,825.89/5,736.44 = 2,180.16/x
  3. Step 3: Cross multiply
    3,825.89x = 5,736.44 × 2,180.16
  4. Step 4: Simplify right side
    3,825.89x = 12,506,346.13
  5. Step 5: Solve for x
    x = 12,506,346.13/3,825.89
  6. Step 6: Final answer
    x = 3,268.88

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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.