Home / 3,742.01-5,163.81-2,147.56

Finding the Fourth Proportional to 3,742.01, 5,163.81 and 2,147.56

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Solution

The fourth proportional to 3,742.01, 5,163.81 and 2,147.56 is: 2,963.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.01 : 5,163.81 = 2,147.56 : x
  2. Step 2: Convert to fraction form
    3,742.01/5,163.81 = 2,147.56/x
  3. Step 3: Cross multiply
    3,742.01x = 5,163.81 × 2,147.56
  4. Step 4: Simplify right side
    3,742.01x = 11,089,565.98
  5. Step 5: Solve for x
    x = 11,089,565.98/3,742.01
  6. Step 6: Final answer
    x = 2,963.53

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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.