Home / 3,540.78-4,886.33-1,968.84

Finding the Fourth Proportional to 3,540.78, 4,886.33 and 1,968.84

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Solution

The fourth proportional to 3,540.78, 4,886.33 and 1,968.84 is: 2,717.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.78 : 4,886.33 = 1,968.84 : x
  2. Step 2: Convert to fraction form
    3,540.78/4,886.33 = 1,968.84/x
  3. Step 3: Cross multiply
    3,540.78x = 4,886.33 × 1,968.84
  4. Step 4: Simplify right side
    3,540.78x = 9,620,392.11
  5. Step 5: Solve for x
    x = 9,620,392.11/3,540.78
  6. Step 6: Final answer
    x = 2,717.03

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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.