Home / 3,212.86-4,817.16-1,826.85

Finding the Fourth Proportional to 3,212.86, 4,817.16 and 1,826.85

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Solution

The fourth proportional to 3,212.86, 4,817.16 and 1,826.85 is: 2,739.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.86 : 4,817.16 = 1,826.85 : x
  2. Step 2: Convert to fraction form
    3,212.86/4,817.16 = 1,826.85/x
  3. Step 3: Cross multiply
    3,212.86x = 4,817.16 × 1,826.85
  4. Step 4: Simplify right side
    3,212.86x = 8,800,228.75
  5. Step 5: Solve for x
    x = 8,800,228.75/3,212.86
  6. Step 6: Final answer
    x = 2,739.06

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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.