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Finding the Fourth Proportional to 2,216.06, 3,324.06 and 656.07

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Solution

The fourth proportional to 2,216.06, 3,324.06 and 656.07 is: 984.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.06 : 3,324.06 = 656.07 : x
  2. Step 2: Convert to fraction form
    2,216.06/3,324.06 = 656.07/x
  3. Step 3: Cross multiply
    2,216.06x = 3,324.06 × 656.07
  4. Step 4: Simplify right side
    2,216.06x = 2,180,816.04
  5. Step 5: Solve for x
    x = 2,180,816.04/2,216.06
  6. Step 6: Final answer
    x = 984.10

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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.