Home / 2,220.47-3,304.49-2,146.64

Finding the Fourth Proportional to 2,220.47, 3,304.49 and 2,146.64

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Solution

The fourth proportional to 2,220.47, 3,304.49 and 2,146.64 is: 3,194.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.47 : 3,304.49 = 2,146.64 : x
  2. Step 2: Convert to fraction form
    2,220.47/3,304.49 = 2,146.64/x
  3. Step 3: Cross multiply
    2,220.47x = 3,304.49 × 2,146.64
  4. Step 4: Simplify right side
    2,220.47x = 7,093,523.16
  5. Step 5: Solve for x
    x = 7,093,523.16/2,220.47
  6. Step 6: Final answer
    x = 3,194.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.