Home / 3,406.46-5,107.25-1,324.76

Finding the Fourth Proportional to 3,406.46, 5,107.25 and 1,324.76

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Solution

The fourth proportional to 3,406.46, 5,107.25 and 1,324.76 is: 1,986.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406.46 : 5,107.25 = 1,324.76 : x
  2. Step 2: Convert to fraction form
    3,406.46/5,107.25 = 1,324.76/x
  3. Step 3: Cross multiply
    3,406.46x = 5,107.25 × 1,324.76
  4. Step 4: Simplify right side
    3,406.46x = 6,765,858.29
  5. Step 5: Solve for x
    x = 6,765,858.29/3,406.46
  6. Step 6: Final answer
    x = 1,986.19

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1.5x scale

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.