Home / 2,621.82-3,933-1,161.30

Finding the Fourth Proportional to 2,621.82, 3,933 and 1,161.30

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Solution

The fourth proportional to 2,621.82, 3,933 and 1,161.30 is: 1,742.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.82 : 3,933 = 1,161.30 : x
  2. Step 2: Convert to fraction form
    2,621.82/3,933 = 1,161.30/x
  3. Step 3: Cross multiply
    2,621.82x = 3,933 × 1,161.30
  4. Step 4: Simplify right side
    2,621.82x = 4,567,392.90
  5. Step 5: Solve for x
    x = 4,567,392.90/2,621.82
  6. Step 6: Final answer
    x = 1,742.07

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.