Home / 3,194.39-4,791.53-1,438.16

Finding the Fourth Proportional to 3,194.39, 4,791.53 and 1,438.16

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Solution

The fourth proportional to 3,194.39, 4,791.53 and 1,438.16 is: 2,157.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,194.39 : 4,791.53 = 1,438.16 : x
  2. Step 2: Convert to fraction form
    3,194.39/4,791.53 = 1,438.16/x
  3. Step 3: Cross multiply
    3,194.39x = 4,791.53 × 1,438.16
  4. Step 4: Simplify right side
    3,194.39x = 6,890,962.83
  5. Step 5: Solve for x
    x = 6,890,962.83/3,194.39
  6. Step 6: Final answer
    x = 2,157.21

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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.