Home / 2,745.99-4,120.06-1,205.91

Finding the Fourth Proportional to 2,745.99, 4,120.06 and 1,205.91

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Solution

The fourth proportional to 2,745.99, 4,120.06 and 1,205.91 is: 1,809.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.99 : 4,120.06 = 1,205.91 : x
  2. Step 2: Convert to fraction form
    2,745.99/4,120.06 = 1,205.91/x
  3. Step 3: Cross multiply
    2,745.99x = 4,120.06 × 1,205.91
  4. Step 4: Simplify right side
    2,745.99x = 4,968,405.35
  5. Step 5: Solve for x
    x = 4,968,405.35/2,745.99
  6. Step 6: Final answer
    x = 1,809.33

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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.