Home / 2,886.37-3,982.98-1,627.36

Finding the Fourth Proportional to 2,886.37, 3,982.98 and 1,627.36

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Solution

The fourth proportional to 2,886.37, 3,982.98 and 1,627.36 is: 2,245.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.37 : 3,982.98 = 1,627.36 : x
  2. Step 2: Convert to fraction form
    2,886.37/3,982.98 = 1,627.36/x
  3. Step 3: Cross multiply
    2,886.37x = 3,982.98 × 1,627.36
  4. Step 4: Simplify right side
    2,886.37x = 6,481,742.33
  5. Step 5: Solve for x
    x = 6,481,742.33/2,886.37
  6. Step 6: Final answer
    x = 2,245.64

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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.