Home / 2,236.28-3,086.10-1,241.60

Finding the Fourth Proportional to 2,236.28, 3,086.10 and 1,241.60

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Solution

The fourth proportional to 2,236.28, 3,086.10 and 1,241.60 is: 1,713.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.28 : 3,086.10 = 1,241.60 : x
  2. Step 2: Convert to fraction form
    2,236.28/3,086.10 = 1,241.60/x
  3. Step 3: Cross multiply
    2,236.28x = 3,086.10 × 1,241.60
  4. Step 4: Simplify right side
    2,236.28x = 3,831,686.33
  5. Step 5: Solve for x
    x = 3,831,686.33/2,236.28
  6. Step 6: Final answer
    x = 1,713.42

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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.