Home / 3,273.70-4,889.72-2,812.81

Finding the Fourth Proportional to 3,273.70, 4,889.72 and 2,812.81

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Solution

The fourth proportional to 3,273.70, 4,889.72 and 2,812.81 is: 4,201.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,273.70 : 4,889.72 = 2,812.81 : x
  2. Step 2: Convert to fraction form
    3,273.70/4,889.72 = 2,812.81/x
  3. Step 3: Cross multiply
    3,273.70x = 4,889.72 × 2,812.81
  4. Step 4: Simplify right side
    3,273.70x = 13,753,853.31
  5. Step 5: Solve for x
    x = 13,753,853.31/3,273.70
  6. Step 6: Final answer
    x = 4,201.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.