Home / 3,273.90-4,912.20-3,015.40

Finding the Fourth Proportional to 3,273.90, 4,912.20 and 3,015.40

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Solution

The fourth proportional to 3,273.90, 4,912.20 and 3,015.40 is: 4,524.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,273.90 : 4,912.20 = 3,015.40 : x
  2. Step 2: Convert to fraction form
    3,273.90/4,912.20 = 3,015.40/x
  3. Step 3: Cross multiply
    3,273.90x = 4,912.20 × 3,015.40
  4. Step 4: Simplify right side
    3,273.90x = 14,812,247.88
  5. Step 5: Solve for x
    x = 14,812,247.88/3,273.90
  6. Step 6: Final answer
    x = 4,524.34

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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.