Home / 3,195.80-4,410.09-1,779.54

Finding the Fourth Proportional to 3,195.80, 4,410.09 and 1,779.54

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Solution

The fourth proportional to 3,195.80, 4,410.09 and 1,779.54 is: 2,455.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.80 : 4,410.09 = 1,779.54 : x
  2. Step 2: Convert to fraction form
    3,195.80/4,410.09 = 1,779.54/x
  3. Step 3: Cross multiply
    3,195.80x = 4,410.09 × 1,779.54
  4. Step 4: Simplify right side
    3,195.80x = 7,847,952.45
  5. Step 5: Solve for x
    x = 7,847,952.45/3,195.80
  6. Step 6: Final answer
    x = 2,455.71

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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.