Home / 2,216.01-3,323.76-1,391.85

Finding the Fourth Proportional to 2,216.01, 3,323.76 and 1,391.85

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Solution

The fourth proportional to 2,216.01, 3,323.76 and 1,391.85 is: 2,087.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.01 : 3,323.76 = 1,391.85 : x
  2. Step 2: Convert to fraction form
    2,216.01/3,323.76 = 1,391.85/x
  3. Step 3: Cross multiply
    2,216.01x = 3,323.76 × 1,391.85
  4. Step 4: Simplify right side
    2,216.01x = 4,626,175.36
  5. Step 5: Solve for x
    x = 4,626,175.36/2,216.01
  6. Step 6: Final answer
    x = 2,087.61

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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.