Home / 2,636.56-3,638-1,517.36

Finding the Fourth Proportional to 2,636.56, 3,638 and 1,517.36

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Solution

The fourth proportional to 2,636.56, 3,638 and 1,517.36 is: 2,093.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.56 : 3,638 = 1,517.36 : x
  2. Step 2: Convert to fraction form
    2,636.56/3,638 = 1,517.36/x
  3. Step 3: Cross multiply
    2,636.56x = 3,638 × 1,517.36
  4. Step 4: Simplify right side
    2,636.56x = 5,520,155.68
  5. Step 5: Solve for x
    x = 5,520,155.68/2,636.56
  6. Step 6: Final answer
    x = 2,093.70

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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.