Home / 3,677.67-5,515.34-1,212.03

Finding the Fourth Proportional to 3,677.67, 5,515.34 and 1,212.03

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Solution

The fourth proportional to 3,677.67, 5,515.34 and 1,212.03 is: 1,817.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.67 : 5,515.34 = 1,212.03 : x
  2. Step 2: Convert to fraction form
    3,677.67/5,515.34 = 1,212.03/x
  3. Step 3: Cross multiply
    3,677.67x = 5,515.34 × 1,212.03
  4. Step 4: Simplify right side
    3,677.67x = 6,684,751.48
  5. Step 5: Solve for x
    x = 6,684,751.48/3,677.67
  6. Step 6: Final answer
    x = 1,817.66

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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.