Home / 2,236.61-3,086.40-1,241.93

Finding the Fourth Proportional to 2,236.61, 3,086.40 and 1,241.93

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Solution

The fourth proportional to 2,236.61, 3,086.40 and 1,241.93 is: 1,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.61 : 3,086.40 = 1,241.93 : x
  2. Step 2: Convert to fraction form
    2,236.61/3,086.40 = 1,241.93/x
  3. Step 3: Cross multiply
    2,236.61x = 3,086.40 × 1,241.93
  4. Step 4: Simplify right side
    2,236.61x = 3,833,105.13
  5. Step 5: Solve for x
    x = 3,833,105.13/2,236.61
  6. Step 6: Final answer
    x = 1,713.80

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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.