Home / 3,677.04-5,511.69-1,211.22

Finding the Fourth Proportional to 3,677.04, 5,511.69 and 1,211.22

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Solution

The fourth proportional to 3,677.04, 5,511.69 and 1,211.22 is: 1,815.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.04 : 5,511.69 = 1,211.22 : x
  2. Step 2: Convert to fraction form
    3,677.04/5,511.69 = 1,211.22/x
  3. Step 3: Cross multiply
    3,677.04x = 5,511.69 × 1,211.22
  4. Step 4: Simplify right side
    3,677.04x = 6,675,869.16
  5. Step 5: Solve for x
    x = 6,675,869.16/3,677.04
  6. Step 6: Final answer
    x = 1,815.56

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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.