Home / 3,959.89-5,940.34-1,850.04

Finding the Fourth Proportional to 3,959.89, 5,940.34 and 1,850.04

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Solution

The fourth proportional to 3,959.89, 5,940.34 and 1,850.04 is: 2,775.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.89 : 5,940.34 = 1,850.04 : x
  2. Step 2: Convert to fraction form
    3,959.89/5,940.34 = 1,850.04/x
  3. Step 3: Cross multiply
    3,959.89x = 5,940.34 × 1,850.04
  4. Step 4: Simplify right side
    3,959.89x = 10,989,861.99
  5. Step 5: Solve for x
    x = 10,989,861.99/3,959.89
  6. Step 6: Final answer
    x = 2,775.30

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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.