Home / 2,220.38-3,062.27-1,662.17

Finding the Fourth Proportional to 2,220.38, 3,062.27 and 1,662.17

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Solution

The fourth proportional to 2,220.38, 3,062.27 and 1,662.17 is: 2,292.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.38 : 3,062.27 = 1,662.17 : x
  2. Step 2: Convert to fraction form
    2,220.38/3,062.27 = 1,662.17/x
  3. Step 3: Cross multiply
    2,220.38x = 3,062.27 × 1,662.17
  4. Step 4: Simplify right side
    2,220.38x = 5,089,989.70
  5. Step 5: Solve for x
    x = 5,089,989.70/2,220.38
  6. Step 6: Final answer
    x = 2,292.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.