Home / 2,694.47-4,037.24-938.55

Finding the Fourth Proportional to 2,694.47, 4,037.24 and 938.55

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Solution

The fourth proportional to 2,694.47, 4,037.24 and 938.55 is: 1,406.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,694.47 : 4,037.24 = 938.55 : x
  2. Step 2: Convert to fraction form
    2,694.47/4,037.24 = 938.55/x
  3. Step 3: Cross multiply
    2,694.47x = 4,037.24 × 938.55
  4. Step 4: Simplify right side
    2,694.47x = 3,789,126.72
  5. Step 5: Solve for x
    x = 3,789,126.72/2,694.47
  6. Step 6: Final answer
    x = 1,406.26

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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.