Home / 2,067.90-3,102.39-1,201.47

Finding the Fourth Proportional to 2,067.90, 3,102.39 and 1,201.47

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Solution

The fourth proportional to 2,067.90, 3,102.39 and 1,201.47 is: 1,802.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,067.90 : 3,102.39 = 1,201.47 : x
  2. Step 2: Convert to fraction form
    2,067.90/3,102.39 = 1,201.47/x
  3. Step 3: Cross multiply
    2,067.90x = 3,102.39 × 1,201.47
  4. Step 4: Simplify right side
    2,067.90x = 3,727,428.51
  5. Step 5: Solve for x
    x = 3,727,428.51/2,067.90
  6. Step 6: Final answer
    x = 1,802.52

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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.