Home / 3,741.14-5,163-2,147.90

Finding the Fourth Proportional to 3,741.14, 5,163 and 2,147.90

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Solution

The fourth proportional to 3,741.14, 5,163 and 2,147.90 is: 2,964.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,741.14 : 5,163 = 2,147.90 : x
  2. Step 2: Convert to fraction form
    3,741.14/5,163 = 2,147.90/x
  3. Step 3: Cross multiply
    3,741.14x = 5,163 × 2,147.90
  4. Step 4: Simplify right side
    3,741.14x = 11,089,607.70
  5. Step 5: Solve for x
    x = 11,089,607.70/3,741.14
  6. Step 6: Final answer
    x = 2,964.23

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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.