Home / 2,728.04-4,087.02-2,112.44

Finding the Fourth Proportional to 2,728.04, 4,087.02 and 2,112.44

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Solution

The fourth proportional to 2,728.04, 4,087.02 and 2,112.44 is: 3,164.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728.04 : 4,087.02 = 2,112.44 : x
  2. Step 2: Convert to fraction form
    2,728.04/4,087.02 = 2,112.44/x
  3. Step 3: Cross multiply
    2,728.04x = 4,087.02 × 2,112.44
  4. Step 4: Simplify right side
    2,728.04x = 8,633,584.53
  5. Step 5: Solve for x
    x = 8,633,584.53/2,728.04
  6. Step 6: Final answer
    x = 3,164.76

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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.