Home / 2,760.94-4,138.63-1,004.45

Finding the Fourth Proportional to 2,760.94, 4,138.63 and 1,004.45

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Solution

The fourth proportional to 2,760.94, 4,138.63 and 1,004.45 is: 1,505.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.94 : 4,138.63 = 1,004.45 : x
  2. Step 2: Convert to fraction form
    2,760.94/4,138.63 = 1,004.45/x
  3. Step 3: Cross multiply
    2,760.94x = 4,138.63 × 1,004.45
  4. Step 4: Simplify right side
    2,760.94x = 4,157,046.90
  5. Step 5: Solve for x
    x = 4,157,046.90/2,760.94
  6. Step 6: Final answer
    x = 1,505.66

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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.