Home / 2,216.86-3,324.20-1,292.65

Finding the Fourth Proportional to 2,216.86, 3,324.20 and 1,292.65

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Solution

The fourth proportional to 2,216.86, 3,324.20 and 1,292.65 is: 1,938.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.86 : 3,324.20 = 1,292.65 : x
  2. Step 2: Convert to fraction form
    2,216.86/3,324.20 = 1,292.65/x
  3. Step 3: Cross multiply
    2,216.86x = 3,324.20 × 1,292.65
  4. Step 4: Simplify right side
    2,216.86x = 4,297,012.36
  5. Step 5: Solve for x
    x = 4,297,012.36/2,216.86
  6. Step 6: Final answer
    x = 1,938.33

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1.5x scale

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.