Home / 3,817.48-5,268.78-2,245.64

Finding the Fourth Proportional to 3,817.48, 5,268.78 and 2,245.64

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Solution

The fourth proportional to 3,817.48, 5,268.78 and 2,245.64 is: 3,099.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,817.48 : 5,268.78 = 2,245.64 : x
  2. Step 2: Convert to fraction form
    3,817.48/5,268.78 = 2,245.64/x
  3. Step 3: Cross multiply
    3,817.48x = 5,268.78 × 2,245.64
  4. Step 4: Simplify right side
    3,817.48x = 11,831,783.12
  5. Step 5: Solve for x
    x = 11,831,783.12/3,817.48
  6. Step 6: Final answer
    x = 3,099.37

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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.