Home / 1,744.10-2,616.11-445.62

Finding the Fourth Proportional to 1,744.10, 2,616.11 and 445.62

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Solution

The fourth proportional to 1,744.10, 2,616.11 and 445.62 is: 668.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,744.10 : 2,616.11 = 445.62 : x
  2. Step 2: Convert to fraction form
    1,744.10/2,616.11 = 445.62/x
  3. Step 3: Cross multiply
    1,744.10x = 2,616.11 × 445.62
  4. Step 4: Simplify right side
    1,744.10x = 1,165,790.94
  5. Step 5: Solve for x
    x = 1,165,790.94/1,744.10
  6. Step 6: Final answer
    x = 668.42

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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.