Home / 3,238.94-4,860.57-1,779.12

Finding the Fourth Proportional to 3,238.94, 4,860.57 and 1,779.12

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Solution

The fourth proportional to 3,238.94, 4,860.57 and 1,779.12 is: 2,669.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238.94 : 4,860.57 = 1,779.12 : x
  2. Step 2: Convert to fraction form
    3,238.94/4,860.57 = 1,779.12/x
  3. Step 3: Cross multiply
    3,238.94x = 4,860.57 × 1,779.12
  4. Step 4: Simplify right side
    3,238.94x = 8,647,537.30
  5. Step 5: Solve for x
    x = 8,647,537.30/3,238.94
  6. Step 6: Final answer
    x = 2,669.87

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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.