Home / 2,745.76-4,119.20-1,359.04

Finding the Fourth Proportional to 2,745.76, 4,119.20 and 1,359.04

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Solution

The fourth proportional to 2,745.76, 4,119.20 and 1,359.04 is: 2,038.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.76 : 4,119.20 = 1,359.04 : x
  2. Step 2: Convert to fraction form
    2,745.76/4,119.20 = 1,359.04/x
  3. Step 3: Cross multiply
    2,745.76x = 4,119.20 × 1,359.04
  4. Step 4: Simplify right side
    2,745.76x = 5,598,157.57
  5. Step 5: Solve for x
    x = 5,598,157.57/2,745.76
  6. Step 6: Final answer
    x = 2,038.84

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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.