Home / 2,206.74-3,307.14-1,791.21

Finding the Fourth Proportional to 2,206.74, 3,307.14 and 1,791.21

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Solution

The fourth proportional to 2,206.74, 3,307.14 and 1,791.21 is: 2,684.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.74 : 3,307.14 = 1,791.21 : x
  2. Step 2: Convert to fraction form
    2,206.74/3,307.14 = 1,791.21/x
  3. Step 3: Cross multiply
    2,206.74x = 3,307.14 × 1,791.21
  4. Step 4: Simplify right side
    2,206.74x = 5,923,782.24
  5. Step 5: Solve for x
    x = 5,923,782.24/2,206.74
  6. Step 6: Final answer
    x = 2,684.40

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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.