Home / 2,241.75-3,091.28-1,357.23

Finding the Fourth Proportional to 2,241.75, 3,091.28 and 1,357.23

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Solution

The fourth proportional to 2,241.75, 3,091.28 and 1,357.23 is: 1,871.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,241.75 : 3,091.28 = 1,357.23 : x
  2. Step 2: Convert to fraction form
    2,241.75/3,091.28 = 1,357.23/x
  3. Step 3: Cross multiply
    2,241.75x = 3,091.28 × 1,357.23
  4. Step 4: Simplify right side
    2,241.75x = 4,195,571.17
  5. Step 5: Solve for x
    x = 4,195,571.17/2,241.75
  6. Step 6: Final answer
    x = 1,871.56

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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.