Home / 1,412.22-2,118.94-1,227.34

Finding the Fourth Proportional to 1,412.22, 2,118.94 and 1,227.34

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Solution

The fourth proportional to 1,412.22, 2,118.94 and 1,227.34 is: 1,841.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412.22 : 2,118.94 = 1,227.34 : x
  2. Step 2: Convert to fraction form
    1,412.22/2,118.94 = 1,227.34/x
  3. Step 3: Cross multiply
    1,412.22x = 2,118.94 × 1,227.34
  4. Step 4: Simplify right side
    1,412.22x = 2,600,659.82
  5. Step 5: Solve for x
    x = 2,600,659.82/1,412.22
  6. Step 6: Final answer
    x = 1,841.54

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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.