Home / 1,954.67-2,697.59-1,208.44

Finding the Fourth Proportional to 1,954.67, 2,697.59 and 1,208.44

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Solution

The fourth proportional to 1,954.67, 2,697.59 and 1,208.44 is: 1,667.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954.67 : 2,697.59 = 1,208.44 : x
  2. Step 2: Convert to fraction form
    1,954.67/2,697.59 = 1,208.44/x
  3. Step 3: Cross multiply
    1,954.67x = 2,697.59 × 1,208.44
  4. Step 4: Simplify right side
    1,954.67x = 3,259,856.13
  5. Step 5: Solve for x
    x = 3,259,856.13/1,954.67
  6. Step 6: Final answer
    x = 1,667.73

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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.