Home / 2,216.11-3,323.07-1,266.16

Finding the Fourth Proportional to 2,216.11, 3,323.07 and 1,266.16

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Solution

The fourth proportional to 2,216.11, 3,323.07 and 1,266.16 is: 1,898.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.11 : 3,323.07 = 1,266.16 : x
  2. Step 2: Convert to fraction form
    2,216.11/3,323.07 = 1,266.16/x
  3. Step 3: Cross multiply
    2,216.11x = 3,323.07 × 1,266.16
  4. Step 4: Simplify right side
    2,216.11x = 4,207,521.70
  5. Step 5: Solve for x
    x = 4,207,521.70/2,216.11
  6. Step 6: Final answer
    x = 1,898.61

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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.