Home / 2,885.98-3,982.86-1,627.24

Finding the Fourth Proportional to 2,885.98, 3,982.86 and 1,627.24

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Solution

The fourth proportional to 2,885.98, 3,982.86 and 1,627.24 is: 2,245.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.98 : 3,982.86 = 1,627.24 : x
  2. Step 2: Convert to fraction form
    2,885.98/3,982.86 = 1,627.24/x
  3. Step 3: Cross multiply
    2,885.98x = 3,982.86 × 1,627.24
  4. Step 4: Simplify right side
    2,885.98x = 6,481,069.11
  5. Step 5: Solve for x
    x = 6,481,069.11/2,885.98
  6. Step 6: Final answer
    x = 2,245.71

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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.