Home / 2,137.08-3,203.70-1,150.42

Finding the Fourth Proportional to 2,137.08, 3,203.70 and 1,150.42

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Solution

The fourth proportional to 2,137.08, 3,203.70 and 1,150.42 is: 1,724.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137.08 : 3,203.70 = 1,150.42 : x
  2. Step 2: Convert to fraction form
    2,137.08/3,203.70 = 1,150.42/x
  3. Step 3: Cross multiply
    2,137.08x = 3,203.70 × 1,150.42
  4. Step 4: Simplify right side
    2,137.08x = 3,685,584.54
  5. Step 5: Solve for x
    x = 3,685,584.54/2,137.08
  6. Step 6: Final answer
    x = 1,724.59

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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.