Home / 2,220.43-3,330.33-1,396.18

Finding the Fourth Proportional to 2,220.43, 3,330.33 and 1,396.18

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Solution

The fourth proportional to 2,220.43, 3,330.33 and 1,396.18 is: 2,094.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.43 : 3,330.33 = 1,396.18 : x
  2. Step 2: Convert to fraction form
    2,220.43/3,330.33 = 1,396.18/x
  3. Step 3: Cross multiply
    2,220.43x = 3,330.33 × 1,396.18
  4. Step 4: Simplify right side
    2,220.43x = 4,649,740.14
  5. Step 5: Solve for x
    x = 4,649,740.14/2,220.43
  6. Step 6: Final answer
    x = 2,094.07

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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.