Home / 3,205.21-4,804.51-1,230.30

Finding the Fourth Proportional to 3,205.21, 4,804.51 and 1,230.30

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Solution

The fourth proportional to 3,205.21, 4,804.51 and 1,230.30 is: 1,844.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.21 : 4,804.51 = 1,230.30 : x
  2. Step 2: Convert to fraction form
    3,205.21/4,804.51 = 1,230.30/x
  3. Step 3: Cross multiply
    3,205.21x = 4,804.51 × 1,230.30
  4. Step 4: Simplify right side
    3,205.21x = 5,910,988.65
  5. Step 5: Solve for x
    x = 5,910,988.65/3,205.21
  6. Step 6: Final answer
    x = 1,844.18

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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.