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Finding the Fourth Proportional to 2,491.85, 3,738.46 and 736.94

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Solution

The fourth proportional to 2,491.85, 3,738.46 and 736.94 is: 1,105.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491.85 : 3,738.46 = 736.94 : x
  2. Step 2: Convert to fraction form
    2,491.85/3,738.46 = 736.94/x
  3. Step 3: Cross multiply
    2,491.85x = 3,738.46 × 736.94
  4. Step 4: Simplify right side
    2,491.85x = 2,755,029.60
  5. Step 5: Solve for x
    x = 2,755,029.60/2,491.85
  6. Step 6: Final answer
    x = 1,105.62

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1.5x scale

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.