Home / 2,194.88-3,028.02-1,408.64

Finding the Fourth Proportional to 2,194.88, 3,028.02 and 1,408.64

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Solution

The fourth proportional to 2,194.88, 3,028.02 and 1,408.64 is: 1,943.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.88 : 3,028.02 = 1,408.64 : x
  2. Step 2: Convert to fraction form
    2,194.88/3,028.02 = 1,408.64/x
  3. Step 3: Cross multiply
    2,194.88x = 3,028.02 × 1,408.64
  4. Step 4: Simplify right side
    2,194.88x = 4,265,390.09
  5. Step 5: Solve for x
    x = 4,265,390.09/2,194.88
  6. Step 6: Final answer
    x = 1,943.34

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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.