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Finding the Fourth Proportional to 1,674.25, 2,511.46 and 441.67

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Solution

The fourth proportional to 1,674.25, 2,511.46 and 441.67 is: 662.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674.25 : 2,511.46 = 441.67 : x
  2. Step 2: Convert to fraction form
    1,674.25/2,511.46 = 441.67/x
  3. Step 3: Cross multiply
    1,674.25x = 2,511.46 × 441.67
  4. Step 4: Simplify right side
    1,674.25x = 1,109,241.13
  5. Step 5: Solve for x
    x = 1,109,241.13/1,674.25
  6. Step 6: Final answer
    x = 662.53

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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.