Home / 1,367.82-2,047.95-1,236.60

Finding the Fourth Proportional to 1,367.82, 2,047.95 and 1,236.60

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Solution

The fourth proportional to 1,367.82, 2,047.95 and 1,236.60 is: 1,851.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367.82 : 2,047.95 = 1,236.60 : x
  2. Step 2: Convert to fraction form
    1,367.82/2,047.95 = 1,236.60/x
  3. Step 3: Cross multiply
    1,367.82x = 2,047.95 × 1,236.60
  4. Step 4: Simplify right side
    1,367.82x = 2,532,494.97
  5. Step 5: Solve for x
    x = 2,532,494.97/1,367.82
  6. Step 6: Final answer
    x = 1,851.48

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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.