Home / 3,943.54-5,914.03-1,310.34

Finding the Fourth Proportional to 3,943.54, 5,914.03 and 1,310.34

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Solution

The fourth proportional to 3,943.54, 5,914.03 and 1,310.34 is: 1,965.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.54 : 5,914.03 = 1,310.34 : x
  2. Step 2: Convert to fraction form
    3,943.54/5,914.03 = 1,310.34/x
  3. Step 3: Cross multiply
    3,943.54x = 5,914.03 × 1,310.34
  4. Step 4: Simplify right side
    3,943.54x = 7,749,396.42
  5. Step 5: Solve for x
    x = 7,749,396.42/3,943.54
  6. Step 6: Final answer
    x = 1,965.09

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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.