Home / 1,971.97-2,968.64-1,799.75

Finding the Fourth Proportional to 1,971.97, 2,968.64 and 1,799.75

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Solution

The fourth proportional to 1,971.97, 2,968.64 and 1,799.75 is: 2,709.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971.97 : 2,968.64 = 1,799.75 : x
  2. Step 2: Convert to fraction form
    1,971.97/2,968.64 = 1,799.75/x
  3. Step 3: Cross multiply
    1,971.97x = 2,968.64 × 1,799.75
  4. Step 4: Simplify right side
    1,971.97x = 5,342,808.44
  5. Step 5: Solve for x
    x = 5,342,808.44/1,971.97
  6. Step 6: Final answer
    x = 2,709.37

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.