Home / 2,220.14-3,063.79-1,335.99

Finding the Fourth Proportional to 2,220.14, 3,063.79 and 1,335.99

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Solution

The fourth proportional to 2,220.14, 3,063.79 and 1,335.99 is: 1,843.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.14 : 3,063.79 = 1,335.99 : x
  2. Step 2: Convert to fraction form
    2,220.14/3,063.79 = 1,335.99/x
  3. Step 3: Cross multiply
    2,220.14x = 3,063.79 × 1,335.99
  4. Step 4: Simplify right side
    2,220.14x = 4,093,192.80
  5. Step 5: Solve for x
    x = 4,093,192.80/2,220.14
  6. Step 6: Final answer
    x = 1,843.66

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