Home / 2,712.36-4,067.98-1,251.30

Finding the Fourth Proportional to 2,712.36, 4,067.98 and 1,251.30

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Solution

The fourth proportional to 2,712.36, 4,067.98 and 1,251.30 is: 1,876.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.36 : 4,067.98 = 1,251.30 : x
  2. Step 2: Convert to fraction form
    2,712.36/4,067.98 = 1,251.30/x
  3. Step 3: Cross multiply
    2,712.36x = 4,067.98 × 1,251.30
  4. Step 4: Simplify right side
    2,712.36x = 5,090,263.37
  5. Step 5: Solve for x
    x = 5,090,263.37/2,712.36
  6. Step 6: Final answer
    x = 1,876.69

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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.