Home / 2,220.56-3,046.53-2,163.05

Finding the Fourth Proportional to 2,220.56, 3,046.53 and 2,163.05

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Solution

The fourth proportional to 2,220.56, 3,046.53 and 2,163.05 is: 2,967.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.56 : 3,046.53 = 2,163.05 : x
  2. Step 2: Convert to fraction form
    2,220.56/3,046.53 = 2,163.05/x
  3. Step 3: Cross multiply
    2,220.56x = 3,046.53 × 2,163.05
  4. Step 4: Simplify right side
    2,220.56x = 6,589,785.90
  5. Step 5: Solve for x
    x = 6,589,785.90/2,220.56
  6. Step 6: Final answer
    x = 2,967.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.