Home / 3,271.45-4,906.41-1,191.67

Finding the Fourth Proportional to 3,271.45, 4,906.41 and 1,191.67

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Solution

The fourth proportional to 3,271.45, 4,906.41 and 1,191.67 is: 1,787.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.45 : 4,906.41 = 1,191.67 : x
  2. Step 2: Convert to fraction form
    3,271.45/4,906.41 = 1,191.67/x
  3. Step 3: Cross multiply
    3,271.45x = 4,906.41 × 1,191.67
  4. Step 4: Simplify right side
    3,271.45x = 5,846,821.60
  5. Step 5: Solve for x
    x = 5,846,821.60/3,271.45
  6. Step 6: Final answer
    x = 1,787.23

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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.