Home / 2,276.87-3,422.03-1,889.37

Finding the Fourth Proportional to 2,276.87, 3,422.03 and 1,889.37

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Solution

The fourth proportional to 2,276.87, 3,422.03 and 1,889.37 is: 2,839.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.87 : 3,422.03 = 1,889.37 : x
  2. Step 2: Convert to fraction form
    2,276.87/3,422.03 = 1,889.37/x
  3. Step 3: Cross multiply
    2,276.87x = 3,422.03 × 1,889.37
  4. Step 4: Simplify right side
    2,276.87x = 6,465,471.37
  5. Step 5: Solve for x
    x = 6,465,471.37/2,276.87
  6. Step 6: Final answer
    x = 2,839.64

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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.