Home / 2,571.20-3,853.84-1,273.52

Finding the Fourth Proportional to 2,571.20, 3,853.84 and 1,273.52

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Solution

The fourth proportional to 2,571.20, 3,853.84 and 1,273.52 is: 1,908.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,571.20 : 3,853.84 = 1,273.52 : x
  2. Step 2: Convert to fraction form
    2,571.20/3,853.84 = 1,273.52/x
  3. Step 3: Cross multiply
    2,571.20x = 3,853.84 × 1,273.52
  4. Step 4: Simplify right side
    2,571.20x = 4,907,942.32
  5. Step 5: Solve for x
    x = 4,907,942.32/2,571.20
  6. Step 6: Final answer
    x = 1,908.81

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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.