Home / 3,425.25-5,137.89-1,373.25

Finding the Fourth Proportional to 3,425.25, 5,137.89 and 1,373.25

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Solution

The fourth proportional to 3,425.25, 5,137.89 and 1,373.25 is: 2,059.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.25 : 5,137.89 = 1,373.25 : x
  2. Step 2: Convert to fraction form
    3,425.25/5,137.89 = 1,373.25/x
  3. Step 3: Cross multiply
    3,425.25x = 5,137.89 × 1,373.25
  4. Step 4: Simplify right side
    3,425.25x = 7,055,607.44
  5. Step 5: Solve for x
    x = 7,055,607.44/3,425.25
  6. Step 6: Final answer
    x = 2,059.88

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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.