Home / 2,135.24-3,203.17-674.50

Finding the Fourth Proportional to 2,135.24, 3,203.17 and 674.50

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Solution

The fourth proportional to 2,135.24, 3,203.17 and 674.50 is: 1,011.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.24 : 3,203.17 = 674.50 : x
  2. Step 2: Convert to fraction form
    2,135.24/3,203.17 = 674.50/x
  3. Step 3: Cross multiply
    2,135.24x = 3,203.17 × 674.50
  4. Step 4: Simplify right side
    2,135.24x = 2,160,538.17
  5. Step 5: Solve for x
    x = 2,160,538.17/2,135.24
  6. Step 6: Final answer
    x = 1,011.85

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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.