Home / 3,195.70-4,410.19-1,779.45

Finding the Fourth Proportional to 3,195.70, 4,410.19 and 1,779.45

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Solution

The fourth proportional to 3,195.70, 4,410.19 and 1,779.45 is: 2,455.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.70 : 4,410.19 = 1,779.45 : x
  2. Step 2: Convert to fraction form
    3,195.70/4,410.19 = 1,779.45/x
  3. Step 3: Cross multiply
    3,195.70x = 4,410.19 × 1,779.45
  4. Step 4: Simplify right side
    3,195.70x = 7,847,712.60
  5. Step 5: Solve for x
    x = 7,847,712.60/3,195.70
  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.