Home / 3,860.26-5,791.30-1,670.42

Finding the Fourth Proportional to 3,860.26, 5,791.30 and 1,670.42

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Solution

The fourth proportional to 3,860.26, 5,791.30 and 1,670.42 is: 2,506.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.26 : 5,791.30 = 1,670.42 : x
  2. Step 2: Convert to fraction form
    3,860.26/5,791.30 = 1,670.42/x
  3. Step 3: Cross multiply
    3,860.26x = 5,791.30 × 1,670.42
  4. Step 4: Simplify right side
    3,860.26x = 9,673,913.65
  5. Step 5: Solve for x
    x = 9,673,913.65/3,860.26
  6. Step 6: Final answer
    x = 2,506.03

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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.