Home / 2,619.67-3,617.97-1,627.31

Finding the Fourth Proportional to 2,619.67, 3,617.97 and 1,627.31

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Solution

The fourth proportional to 2,619.67, 3,617.97 and 1,627.31 is: 2,247.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619.67 : 3,617.97 = 1,627.31 : x
  2. Step 2: Convert to fraction form
    2,619.67/3,617.97 = 1,627.31/x
  3. Step 3: Cross multiply
    2,619.67x = 3,617.97 × 1,627.31
  4. Step 4: Simplify right side
    2,619.67x = 5,887,558.76
  5. Step 5: Solve for x
    x = 5,887,558.76/2,619.67
  6. Step 6: Final answer
    x = 2,247.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.