Home / 2,636.89-3,955.26-1,076.91

Finding the Fourth Proportional to 2,636.89, 3,955.26 and 1,076.91

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Solution

The fourth proportional to 2,636.89, 3,955.26 and 1,076.91 is: 1,615.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.89 : 3,955.26 = 1,076.91 : x
  2. Step 2: Convert to fraction form
    2,636.89/3,955.26 = 1,076.91/x
  3. Step 3: Cross multiply
    2,636.89x = 3,955.26 × 1,076.91
  4. Step 4: Simplify right side
    2,636.89x = 4,259,464.44
  5. Step 5: Solve for x
    x = 4,259,464.44/2,636.89
  6. Step 6: Final answer
    x = 1,615.33

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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.