Home / 2,660.94-3,674.26-2,380.68

Finding the Fourth Proportional to 2,660.94, 3,674.26 and 2,380.68

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Solution

The fourth proportional to 2,660.94, 3,674.26 and 2,380.68 is: 3,287.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660.94 : 3,674.26 = 2,380.68 : x
  2. Step 2: Convert to fraction form
    2,660.94/3,674.26 = 2,380.68/x
  3. Step 3: Cross multiply
    2,660.94x = 3,674.26 × 2,380.68
  4. Step 4: Simplify right side
    2,660.94x = 8,747,237.30
  5. Step 5: Solve for x
    x = 8,747,237.30/2,660.94
  6. Step 6: Final answer
    x = 3,287.27

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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.