Home / 2,745.16-4,116.72-2,161.30

Finding the Fourth Proportional to 2,745.16, 4,116.72 and 2,161.30

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Solution

The fourth proportional to 2,745.16, 4,116.72 and 2,161.30 is: 3,241.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.16 : 4,116.72 = 2,161.30 : x
  2. Step 2: Convert to fraction form
    2,745.16/4,116.72 = 2,161.30/x
  3. Step 3: Cross multiply
    2,745.16x = 4,116.72 × 2,161.30
  4. Step 4: Simplify right side
    2,745.16x = 8,897,466.94
  5. Step 5: Solve for x
    x = 8,897,466.94/2,745.16
  6. Step 6: Final answer
    x = 3,241.15

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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.