Home / 3,858.70-5,789.26-1,668.46

Finding the Fourth Proportional to 3,858.70, 5,789.26 and 1,668.46

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Solution

The fourth proportional to 3,858.70, 5,789.26 and 1,668.46 is: 2,503.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.70 : 5,789.26 = 1,668.46 : x
  2. Step 2: Convert to fraction form
    3,858.70/5,789.26 = 1,668.46/x
  3. Step 3: Cross multiply
    3,858.70x = 5,789.26 × 1,668.46
  4. Step 4: Simplify right side
    3,858.70x = 9,659,148.74
  5. Step 5: Solve for x
    x = 9,659,148.74/3,858.70
  6. Step 6: Final answer
    x = 2,503.21

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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.