Home / 3,313.66-4,574.37-1,969.18

Finding the Fourth Proportional to 3,313.66, 4,574.37 and 1,969.18

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Solution

The fourth proportional to 3,313.66, 4,574.37 and 1,969.18 is: 2,718.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.66 : 4,574.37 = 1,969.18 : x
  2. Step 2: Convert to fraction form
    3,313.66/4,574.37 = 1,969.18/x
  3. Step 3: Cross multiply
    3,313.66x = 4,574.37 × 1,969.18
  4. Step 4: Simplify right side
    3,313.66x = 9,007,757.92
  5. Step 5: Solve for x
    x = 9,007,757.92/3,313.66
  6. Step 6: Final answer
    x = 2,718.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.