Home / 3,927.30-5,890.29-1,293.99

Finding the Fourth Proportional to 3,927.30, 5,890.29 and 1,293.99

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Solution

The fourth proportional to 3,927.30, 5,890.29 and 1,293.99 is: 1,940.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.30 : 5,890.29 = 1,293.99 : x
  2. Step 2: Convert to fraction form
    3,927.30/5,890.29 = 1,293.99/x
  3. Step 3: Cross multiply
    3,927.30x = 5,890.29 × 1,293.99
  4. Step 4: Simplify right side
    3,927.30x = 7,621,976.36
  5. Step 5: Solve for x
    x = 7,621,976.36/3,927.30
  6. Step 6: Final answer
    x = 1,940.77

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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.