Home / 2,134.49-3,201.12-1,353.31

Finding the Fourth Proportional to 2,134.49, 3,201.12 and 1,353.31

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Solution

The fourth proportional to 2,134.49, 3,201.12 and 1,353.31 is: 2,029.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134.49 : 3,201.12 = 1,353.31 : x
  2. Step 2: Convert to fraction form
    2,134.49/3,201.12 = 1,353.31/x
  3. Step 3: Cross multiply
    2,134.49x = 3,201.12 × 1,353.31
  4. Step 4: Simplify right side
    2,134.49x = 4,332,099.70
  5. Step 5: Solve for x
    x = 4,332,099.70/2,134.49
  6. Step 6: Final answer
    x = 2,029.58

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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.