Home / 3,511.11-5,266.08-1,172.73

Finding the Fourth Proportional to 3,511.11, 5,266.08 and 1,172.73

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Solution

The fourth proportional to 3,511.11, 5,266.08 and 1,172.73 is: 1,758.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.11 : 5,266.08 = 1,172.73 : x
  2. Step 2: Convert to fraction form
    3,511.11/5,266.08 = 1,172.73/x
  3. Step 3: Cross multiply
    3,511.11x = 5,266.08 × 1,172.73
  4. Step 4: Simplify right side
    3,511.11x = 6,175,690.00
  5. Step 5: Solve for x
    x = 6,175,690.00/3,511.11
  6. Step 6: Final answer
    x = 1,758.90

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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.