Home / 3,039.06-4,195.73-1,992.95

Finding the Fourth Proportional to 3,039.06, 4,195.73 and 1,992.95

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Solution

The fourth proportional to 3,039.06, 4,195.73 and 1,992.95 is: 2,751.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.06 : 4,195.73 = 1,992.95 : x
  2. Step 2: Convert to fraction form
    3,039.06/4,195.73 = 1,992.95/x
  3. Step 3: Cross multiply
    3,039.06x = 4,195.73 × 1,992.95
  4. Step 4: Simplify right side
    3,039.06x = 8,361,880.10
  5. Step 5: Solve for x
    x = 8,361,880.10/3,039.06
  6. Step 6: Final answer
    x = 2,751.47

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1.5x scale

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.