Home / 1,334.08-1,997.58-1,072.84

Finding the Fourth Proportional to 1,334.08, 1,997.58 and 1,072.84

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Solution

The fourth proportional to 1,334.08, 1,997.58 and 1,072.84 is: 1,606.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334.08 : 1,997.58 = 1,072.84 : x
  2. Step 2: Convert to fraction form
    1,334.08/1,997.58 = 1,072.84/x
  3. Step 3: Cross multiply
    1,334.08x = 1,997.58 × 1,072.84
  4. Step 4: Simplify right side
    1,334.08x = 2,143,083.73
  5. Step 5: Solve for x
    x = 2,143,083.73/1,334.08
  6. Step 6: Final answer
    x = 1,606.41

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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.