Home / 3,205.26-4,808.07-1,563.21

Finding the Fourth Proportional to 3,205.26, 4,808.07 and 1,563.21

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Solution

The fourth proportional to 3,205.26, 4,808.07 and 1,563.21 is: 2,344.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.26 : 4,808.07 = 1,563.21 : x
  2. Step 2: Convert to fraction form
    3,205.26/4,808.07 = 1,563.21/x
  3. Step 3: Cross multiply
    3,205.26x = 4,808.07 × 1,563.21
  4. Step 4: Simplify right side
    3,205.26x = 7,516,023.10
  5. Step 5: Solve for x
    x = 7,516,023.10/3,205.26
  6. Step 6: Final answer
    x = 2,344.90

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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.