Home / 2,134.26-3,201.45-674.45

Finding the Fourth Proportional to 2,134.26, 3,201.45 and 674.45

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Solution

The fourth proportional to 2,134.26, 3,201.45 and 674.45 is: 1,011.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134.26 : 3,201.45 = 674.45 : x
  2. Step 2: Convert to fraction form
    2,134.26/3,201.45 = 674.45/x
  3. Step 3: Cross multiply
    2,134.26x = 3,201.45 × 674.45
  4. Step 4: Simplify right side
    2,134.26x = 2,159,201.95
  5. Step 5: Solve for x
    x = 2,159,201.95/2,134.26
  6. Step 6: Final answer
    x = 1,011.69

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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.