Home / 3,205.36-4,808.58-1,230.85

Finding the Fourth Proportional to 3,205.36, 4,808.58 and 1,230.85

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Solution

The fourth proportional to 3,205.36, 4,808.58 and 1,230.85 is: 1,846.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.36 : 4,808.58 = 1,230.85 : x
  2. Step 2: Convert to fraction form
    3,205.36/4,808.58 = 1,230.85/x
  3. Step 3: Cross multiply
    3,205.36x = 4,808.58 × 1,230.85
  4. Step 4: Simplify right side
    3,205.36x = 5,918,640.69
  5. Step 5: Solve for x
    x = 5,918,640.69/3,205.36
  6. Step 6: Final answer
    x = 1,846.48

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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.