Home / 3,204.57-4,422.20-1,788.21

Finding the Fourth Proportional to 3,204.57, 4,422.20 and 1,788.21

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Solution

The fourth proportional to 3,204.57, 4,422.20 and 1,788.21 is: 2,467.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.57 : 4,422.20 = 1,788.21 : x
  2. Step 2: Convert to fraction form
    3,204.57/4,422.20 = 1,788.21/x
  3. Step 3: Cross multiply
    3,204.57x = 4,422.20 × 1,788.21
  4. Step 4: Simplify right side
    3,204.57x = 7,907,813.32
  5. Step 5: Solve for x
    x = 7,907,813.32/3,204.57
  6. Step 6: Final answer
    x = 2,467.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.