Home / 2,194.81-3,028.79-1,200.08

Finding the Fourth Proportional to 2,194.81, 3,028.79 and 1,200.08

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Solution

The fourth proportional to 2,194.81, 3,028.79 and 1,200.08 is: 1,656.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.81 : 3,028.79 = 1,200.08 : x
  2. Step 2: Convert to fraction form
    2,194.81/3,028.79 = 1,200.08/x
  3. Step 3: Cross multiply
    2,194.81x = 3,028.79 × 1,200.08
  4. Step 4: Simplify right side
    2,194.81x = 3,634,800.88
  5. Step 5: Solve for x
    x = 3,634,800.88/2,194.81
  6. Step 6: Final answer
    x = 1,656.09

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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.