Home / 3,313.09-4,969.64-1,581.31

Finding the Fourth Proportional to 3,313.09, 4,969.64 and 1,581.31

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Solution

The fourth proportional to 3,313.09, 4,969.64 and 1,581.31 is: 2,371.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.09 : 4,969.64 = 1,581.31 : x
  2. Step 2: Convert to fraction form
    3,313.09/4,969.64 = 1,581.31/x
  3. Step 3: Cross multiply
    3,313.09x = 4,969.64 × 1,581.31
  4. Step 4: Simplify right side
    3,313.09x = 7,858,541.43
  5. Step 5: Solve for x
    x = 7,858,541.43/3,313.09
  6. Step 6: Final answer
    x = 2,371.97

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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.