Home / 2,067.36-3,099.55-971.11

Finding the Fourth Proportional to 2,067.36, 3,099.55 and 971.11

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Solution

The fourth proportional to 2,067.36, 3,099.55 and 971.11 is: 1,455.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,067.36 : 3,099.55 = 971.11 : x
  2. Step 2: Convert to fraction form
    2,067.36/3,099.55 = 971.11/x
  3. Step 3: Cross multiply
    2,067.36x = 3,099.55 × 971.11
  4. Step 4: Simplify right side
    2,067.36x = 3,010,004.00
  5. Step 5: Solve for x
    x = 3,010,004.00/2,067.36
  6. Step 6: Final answer
    x = 1,455.97

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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.