Home / 3,204.21-4,806.39-983.09

Finding the Fourth Proportional to 3,204.21, 4,806.39 and 983.09

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Solution

The fourth proportional to 3,204.21, 4,806.39 and 983.09 is: 1,474.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.21 : 4,806.39 = 983.09 : x
  2. Step 2: Convert to fraction form
    3,204.21/4,806.39 = 983.09/x
  3. Step 3: Cross multiply
    3,204.21x = 4,806.39 × 983.09
  4. Step 4: Simplify right side
    3,204.21x = 4,725,129.65
  5. Step 5: Solve for x
    x = 4,725,129.65/3,204.21
  6. Step 6: Final answer
    x = 1,474.66

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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.