Home / 2,261.64-3,390.12-1,163.56

Finding the Fourth Proportional to 2,261.64, 3,390.12 and 1,163.56

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Solution

The fourth proportional to 2,261.64, 3,390.12 and 1,163.56 is: 1,744.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.64 : 3,390.12 = 1,163.56 : x
  2. Step 2: Convert to fraction form
    2,261.64/3,390.12 = 1,163.56/x
  3. Step 3: Cross multiply
    2,261.64x = 3,390.12 × 1,163.56
  4. Step 4: Simplify right side
    2,261.64x = 3,944,608.03
  5. Step 5: Solve for x
    x = 3,944,608.03/2,261.64
  6. Step 6: Final answer
    x = 1,744.14

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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.