Home / 2,704.20-4,056.24-756.36

Finding the Fourth Proportional to 2,704.20, 4,056.24 and 756.36

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Solution

The fourth proportional to 2,704.20, 4,056.24 and 756.36 is: 1,134.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,704.20 : 4,056.24 = 756.36 : x
  2. Step 2: Convert to fraction form
    2,704.20/4,056.24 = 756.36/x
  3. Step 3: Cross multiply
    2,704.20x = 4,056.24 × 756.36
  4. Step 4: Simplify right side
    2,704.20x = 3,067,977.69
  5. Step 5: Solve for x
    x = 3,067,977.69/2,704.20
  6. Step 6: Final answer
    x = 1,134.52

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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.