Home / 2,751.35-4,126.98-1,107.86

Finding the Fourth Proportional to 2,751.35, 4,126.98 and 1,107.86

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Solution

The fourth proportional to 2,751.35, 4,126.98 and 1,107.86 is: 1,661.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751.35 : 4,126.98 = 1,107.86 : x
  2. Step 2: Convert to fraction form
    2,751.35/4,126.98 = 1,107.86/x
  3. Step 3: Cross multiply
    2,751.35x = 4,126.98 × 1,107.86
  4. Step 4: Simplify right side
    2,751.35x = 4,572,093.35
  5. Step 5: Solve for x
    x = 4,572,093.35/2,751.35
  6. Step 6: Final answer
    x = 1,661.76

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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.