Home / 2,151.24-3,230.10-1,227.84

Finding the Fourth Proportional to 2,151.24, 3,230.10 and 1,227.84

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Solution

The fourth proportional to 2,151.24, 3,230.10 and 1,227.84 is: 1,843.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151.24 : 3,230.10 = 1,227.84 : x
  2. Step 2: Convert to fraction form
    2,151.24/3,230.10 = 1,227.84/x
  3. Step 3: Cross multiply
    2,151.24x = 3,230.10 × 1,227.84
  4. Step 4: Simplify right side
    2,151.24x = 3,966,045.98
  5. Step 5: Solve for x
    x = 3,966,045.98/2,151.24
  6. Step 6: Final answer
    x = 1,843.61

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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.