Home / 2,216.43-3,324.35-1,392.18

Finding the Fourth Proportional to 2,216.43, 3,324.35 and 1,392.18

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Solution

The fourth proportional to 2,216.43, 3,324.35 and 1,392.18 is: 2,088.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.43 : 3,324.35 = 1,392.18 : x
  2. Step 2: Convert to fraction form
    2,216.43/3,324.35 = 1,392.18/x
  3. Step 3: Cross multiply
    2,216.43x = 3,324.35 × 1,392.18
  4. Step 4: Simplify right side
    2,216.43x = 4,628,086.62
  5. Step 5: Solve for x
    x = 4,628,086.62/2,216.43
  6. Step 6: Final answer
    x = 2,088.08

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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.