Home / 2,581.22-3,871.40-1,194.44

Finding the Fourth Proportional to 2,581.22, 3,871.40 and 1,194.44

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Solution

The fourth proportional to 2,581.22, 3,871.40 and 1,194.44 is: 1,791.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581.22 : 3,871.40 = 1,194.44 : x
  2. Step 2: Convert to fraction form
    2,581.22/3,871.40 = 1,194.44/x
  3. Step 3: Cross multiply
    2,581.22x = 3,871.40 × 1,194.44
  4. Step 4: Simplify right side
    2,581.22x = 4,624,155.02
  5. Step 5: Solve for x
    x = 4,624,155.02/2,581.22
  6. Step 6: Final answer
    x = 1,791.46

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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.