Home / 3,104.82-4,285.26-1,779.41

Finding the Fourth Proportional to 3,104.82, 4,285.26 and 1,779.41

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Solution

The fourth proportional to 3,104.82, 4,285.26 and 1,779.41 is: 2,455.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.82 : 4,285.26 = 1,779.41 : x
  2. Step 2: Convert to fraction form
    3,104.82/4,285.26 = 1,779.41/x
  3. Step 3: Cross multiply
    3,104.82x = 4,285.26 × 1,779.41
  4. Step 4: Simplify right side
    3,104.82x = 7,625,245.21
  5. Step 5: Solve for x
    x = 7,625,245.21/3,104.82
  6. Step 6: Final answer
    x = 2,455.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.