Home / 3,816.55-5,728.20-2,254.60

Finding the Fourth Proportional to 3,816.55, 5,728.20 and 2,254.60

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Solution

The fourth proportional to 3,816.55, 5,728.20 and 2,254.60 is: 3,383.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.55 : 5,728.20 = 2,254.60 : x
  2. Step 2: Convert to fraction form
    3,816.55/5,728.20 = 2,254.60/x
  3. Step 3: Cross multiply
    3,816.55x = 5,728.20 × 2,254.60
  4. Step 4: Simplify right side
    3,816.55x = 12,914,799.72
  5. Step 5: Solve for x
    x = 12,914,799.72/3,816.55
  6. Step 6: Final answer
    x = 3,383.89

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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.