Home / 3,852.82-5,779.23-1,906.39

Finding the Fourth Proportional to 3,852.82, 5,779.23 and 1,906.39

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Solution

The fourth proportional to 3,852.82, 5,779.23 and 1,906.39 is: 2,859.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852.82 : 5,779.23 = 1,906.39 : x
  2. Step 2: Convert to fraction form
    3,852.82/5,779.23 = 1,906.39/x
  3. Step 3: Cross multiply
    3,852.82x = 5,779.23 × 1,906.39
  4. Step 4: Simplify right side
    3,852.82x = 11,017,466.28
  5. Step 5: Solve for x
    x = 11,017,466.28/3,852.82
  6. Step 6: Final answer
    x = 2,859.59

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1.5x scale

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.