Home / 3,647.56-5,021.22-2,761.96

Finding the Fourth Proportional to 3,647.56, 5,021.22 and 2,761.96

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Solution

The fourth proportional to 3,647.56, 5,021.22 and 2,761.96 is: 3,802.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,647.56 : 5,021.22 = 2,761.96 : x
  2. Step 2: Convert to fraction form
    3,647.56/5,021.22 = 2,761.96/x
  3. Step 3: Cross multiply
    3,647.56x = 5,021.22 × 2,761.96
  4. Step 4: Simplify right side
    3,647.56x = 13,868,408.79
  5. Step 5: Solve for x
    x = 13,868,408.79/3,647.56
  6. Step 6: Final answer
    x = 3,802.11

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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.