Home / 2,887-3,982.93-1,627.73

Finding the Fourth Proportional to 2,887, 3,982.93 and 1,627.73

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Solution

The fourth proportional to 2,887, 3,982.93 and 1,627.73 is: 2,245.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887 : 3,982.93 = 1,627.73 : x
  2. Step 2: Convert to fraction form
    2,887/3,982.93 = 1,627.73/x
  3. Step 3: Cross multiply
    2,887x = 3,982.93 × 1,627.73
  4. Step 4: Simplify right side
    2,887x = 6,483,134.65
  5. Step 5: Solve for x
    x = 6,483,134.65/2,887
  6. Step 6: Final answer
    x = 2,245.63

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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.