Home / 3,946.26-5,918.64-1,313.37

Finding the Fourth Proportional to 3,946.26, 5,918.64 and 1,313.37

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Solution

The fourth proportional to 3,946.26, 5,918.64 and 1,313.37 is: 1,969.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.26 : 5,918.64 = 1,313.37 : x
  2. Step 2: Convert to fraction form
    3,946.26/5,918.64 = 1,313.37/x
  3. Step 3: Cross multiply
    3,946.26x = 5,918.64 × 1,313.37
  4. Step 4: Simplify right side
    3,946.26x = 7,773,364.22
  5. Step 5: Solve for x
    x = 7,773,364.22/3,946.26
  6. Step 6: Final answer
    x = 1,969.81

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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.