Home / 2,491.44-3,755.70-2,147.60

Finding the Fourth Proportional to 2,491.44, 3,755.70 and 2,147.60

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Solution

The fourth proportional to 2,491.44, 3,755.70 and 2,147.60 is: 3,237.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491.44 : 3,755.70 = 2,147.60 : x
  2. Step 2: Convert to fraction form
    2,491.44/3,755.70 = 2,147.60/x
  3. Step 3: Cross multiply
    2,491.44x = 3,755.70 × 2,147.60
  4. Step 4: Simplify right side
    2,491.44x = 8,065,722.54
  5. Step 5: Solve for x
    x = 8,065,722.54/2,491.44
  6. Step 6: Final answer
    x = 3,237.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.