Home / 2,867.88-4,302.09-1,018.92

Finding the Fourth Proportional to 2,867.88, 4,302.09 and 1,018.92

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Solution

The fourth proportional to 2,867.88, 4,302.09 and 1,018.92 is: 1,528.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.88 : 4,302.09 = 1,018.92 : x
  2. Step 2: Convert to fraction form
    2,867.88/4,302.09 = 1,018.92/x
  3. Step 3: Cross multiply
    2,867.88x = 4,302.09 × 1,018.92
  4. Step 4: Simplify right side
    2,867.88x = 4,383,485.54
  5. Step 5: Solve for x
    x = 4,383,485.54/2,867.88
  6. Step 6: Final answer
    x = 1,528.48

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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.