Home / 3,189.37-4,779.92-2,361.05

Finding the Fourth Proportional to 3,189.37, 4,779.92 and 2,361.05

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Solution

The fourth proportional to 3,189.37, 4,779.92 and 2,361.05 is: 3,538.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.37 : 4,779.92 = 2,361.05 : x
  2. Step 2: Convert to fraction form
    3,189.37/4,779.92 = 2,361.05/x
  3. Step 3: Cross multiply
    3,189.37x = 4,779.92 × 2,361.05
  4. Step 4: Simplify right side
    3,189.37x = 11,285,606.22
  5. Step 5: Solve for x
    x = 11,285,606.22/3,189.37
  6. Step 6: Final answer
    x = 3,538.51

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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.