Home / 2,751.23-4,128.06-1,107.33

Finding the Fourth Proportional to 2,751.23, 4,128.06 and 1,107.33

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Solution

The fourth proportional to 2,751.23, 4,128.06 and 1,107.33 is: 1,661.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751.23 : 4,128.06 = 1,107.33 : x
  2. Step 2: Convert to fraction form
    2,751.23/4,128.06 = 1,107.33/x
  3. Step 3: Cross multiply
    2,751.23x = 4,128.06 × 1,107.33
  4. Step 4: Simplify right side
    2,751.23x = 4,571,124.68
  5. Step 5: Solve for x
    x = 4,571,124.68/2,751.23
  6. Step 6: Final answer
    x = 1,661.49

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1.5x scale

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.