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Finding the Fourth Proportional to 1,262.22, 1,895.49 and 1,069.98

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Solution

The fourth proportional to 1,262.22, 1,895.49 and 1,069.98 is: 1,606.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262.22 : 1,895.49 = 1,069.98 : x
  2. Step 2: Convert to fraction form
    1,262.22/1,895.49 = 1,069.98/x
  3. Step 3: Cross multiply
    1,262.22x = 1,895.49 × 1,069.98
  4. Step 4: Simplify right side
    1,262.22x = 2,028,136.39
  5. Step 5: Solve for x
    x = 2,028,136.39/1,262.22
  6. Step 6: Final answer
    x = 1,606.80

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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.