Home / 3,195.87-4,410.21-1,779.56

Finding the Fourth Proportional to 3,195.87, 4,410.21 and 1,779.56

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Solution

The fourth proportional to 3,195.87, 4,410.21 and 1,779.56 is: 2,455.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.87 : 4,410.21 = 1,779.56 : x
  2. Step 2: Convert to fraction form
    3,195.87/4,410.21 = 1,779.56/x
  3. Step 3: Cross multiply
    3,195.87x = 4,410.21 × 1,779.56
  4. Step 4: Simplify right side
    3,195.87x = 7,848,211.26
  5. Step 5: Solve for x
    x = 7,848,211.26/3,195.87
  6. Step 6: Final answer
    x = 2,455.74

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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.