Home / 1,262.23-1,889.24-1,087.27

Finding the Fourth Proportional to 1,262.23, 1,889.24 and 1,087.27

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Solution

The fourth proportional to 1,262.23, 1,889.24 and 1,087.27 is: 1,627.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262.23 : 1,889.24 = 1,087.27 : x
  2. Step 2: Convert to fraction form
    1,262.23/1,889.24 = 1,087.27/x
  3. Step 3: Cross multiply
    1,262.23x = 1,889.24 × 1,087.27
  4. Step 4: Simplify right side
    1,262.23x = 2,054,103.82
  5. Step 5: Solve for x
    x = 2,054,103.82/1,262.23
  6. Step 6: Final answer
    x = 1,627.36

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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.