Home / 3,163.13-4,747.58-1,604.21

Finding the Fourth Proportional to 3,163.13, 4,747.58 and 1,604.21

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Solution

The fourth proportional to 3,163.13, 4,747.58 and 1,604.21 is: 2,407.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.13 : 4,747.58 = 1,604.21 : x
  2. Step 2: Convert to fraction form
    3,163.13/4,747.58 = 1,604.21/x
  3. Step 3: Cross multiply
    3,163.13x = 4,747.58 × 1,604.21
  4. Step 4: Simplify right side
    3,163.13x = 7,616,091.57
  5. Step 5: Solve for x
    x = 7,616,091.57/3,163.13
  6. Step 6: Final answer
    x = 2,407.77

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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.