Home / 3,231.56-4,838.70-2,736.20

Finding the Fourth Proportional to 3,231.56, 4,838.70 and 2,736.20

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Solution

The fourth proportional to 3,231.56, 4,838.70 and 2,736.20 is: 4,096.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.56 : 4,838.70 = 2,736.20 : x
  2. Step 2: Convert to fraction form
    3,231.56/4,838.70 = 2,736.20/x
  3. Step 3: Cross multiply
    3,231.56x = 4,838.70 × 2,736.20
  4. Step 4: Simplify right side
    3,231.56x = 13,239,650.94
  5. Step 5: Solve for x
    x = 13,239,650.94/3,231.56
  6. Step 6: Final answer
    x = 4,096.98

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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.