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Finding the Fourth Proportional to 2,586.02, 3,879 and 941.99

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Solution

The fourth proportional to 2,586.02, 3,879 and 941.99 is: 1,412.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586.02 : 3,879 = 941.99 : x
  2. Step 2: Convert to fraction form
    2,586.02/3,879 = 941.99/x
  3. Step 3: Cross multiply
    2,586.02x = 3,879 × 941.99
  4. Step 4: Simplify right side
    2,586.02x = 3,653,959.82
  5. Step 5: Solve for x
    x = 3,653,959.82/2,586.02
  6. Step 6: Final answer
    x = 1,412.97

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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.