Home / 3,137.73-4,679.18-2,749.54

Finding the Fourth Proportional to 3,137.73, 4,679.18 and 2,749.54

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Solution

The fourth proportional to 3,137.73, 4,679.18 and 2,749.54 is: 4,100.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.73 : 4,679.18 = 2,749.54 : x
  2. Step 2: Convert to fraction form
    3,137.73/4,679.18 = 2,749.54/x
  3. Step 3: Cross multiply
    3,137.73x = 4,679.18 × 2,749.54
  4. Step 4: Simplify right side
    3,137.73x = 12,865,592.58
  5. Step 5: Solve for x
    x = 12,865,592.58/3,137.73
  6. Step 6: Final answer
    x = 4,100.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.