Home / 3,789.25-5,683.26-2,690.29

Finding the Fourth Proportional to 3,789.25, 5,683.26 and 2,690.29

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Solution

The fourth proportional to 3,789.25, 5,683.26 and 2,690.29 is: 4,035.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789.25 : 5,683.26 = 2,690.29 : x
  2. Step 2: Convert to fraction form
    3,789.25/5,683.26 = 2,690.29/x
  3. Step 3: Cross multiply
    3,789.25x = 5,683.26 × 2,690.29
  4. Step 4: Simplify right side
    3,789.25x = 15,289,617.55
  5. Step 5: Solve for x
    x = 15,289,617.55/3,789.25
  6. Step 6: Final answer
    x = 4,035.00

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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.