Home / 3,927.24-5,891.16-1,293.72

Finding the Fourth Proportional to 3,927.24, 5,891.16 and 1,293.72

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Solution

The fourth proportional to 3,927.24, 5,891.16 and 1,293.72 is: 1,940.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.24 : 5,891.16 = 1,293.72 : x
  2. Step 2: Convert to fraction form
    3,927.24/5,891.16 = 1,293.72/x
  3. Step 3: Cross multiply
    3,927.24x = 5,891.16 × 1,293.72
  4. Step 4: Simplify right side
    3,927.24x = 7,621,511.52
  5. Step 5: Solve for x
    x = 7,621,511.52/3,927.24
  6. Step 6: Final answer
    x = 1,940.68

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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.