Home / 1,519.37-2,276.62-1,276.37

Finding the Fourth Proportional to 1,519.37, 2,276.62 and 1,276.37

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Solution

The fourth proportional to 1,519.37, 2,276.62 and 1,276.37 is: 1,912.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519.37 : 2,276.62 = 1,276.37 : x
  2. Step 2: Convert to fraction form
    1,519.37/2,276.62 = 1,276.37/x
  3. Step 3: Cross multiply
    1,519.37x = 2,276.62 × 1,276.37
  4. Step 4: Simplify right side
    1,519.37x = 2,905,803.43
  5. Step 5: Solve for x
    x = 2,905,803.43/1,519.37
  6. Step 6: Final answer
    x = 1,912.51

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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.