Home / 2,194.74-3,028.37-1,355.58

Finding the Fourth Proportional to 2,194.74, 3,028.37 and 1,355.58

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Solution

The fourth proportional to 2,194.74, 3,028.37 and 1,355.58 is: 1,870.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.74 : 3,028.37 = 1,355.58 : x
  2. Step 2: Convert to fraction form
    2,194.74/3,028.37 = 1,355.58/x
  3. Step 3: Cross multiply
    2,194.74x = 3,028.37 × 1,355.58
  4. Step 4: Simplify right side
    2,194.74x = 4,105,197.80
  5. Step 5: Solve for x
    x = 4,105,197.80/2,194.74
  6. Step 6: Final answer
    x = 1,870.47

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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.