Home / 2,730.28-4,096.24-1,270.30

Finding the Fourth Proportional to 2,730.28, 4,096.24 and 1,270.30

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Solution

The fourth proportional to 2,730.28, 4,096.24 and 1,270.30 is: 1,905.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.28 : 4,096.24 = 1,270.30 : x
  2. Step 2: Convert to fraction form
    2,730.28/4,096.24 = 1,270.30/x
  3. Step 3: Cross multiply
    2,730.28x = 4,096.24 × 1,270.30
  4. Step 4: Simplify right side
    2,730.28x = 5,203,453.67
  5. Step 5: Solve for x
    x = 5,203,453.67/2,730.28
  6. Step 6: Final answer
    x = 1,905.83

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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.