Home / 3,328.28-4,992.25-1,684.79

Finding the Fourth Proportional to 3,328.28, 4,992.25 and 1,684.79

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Solution

The fourth proportional to 3,328.28, 4,992.25 and 1,684.79 is: 2,527.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.28 : 4,992.25 = 1,684.79 : x
  2. Step 2: Convert to fraction form
    3,328.28/4,992.25 = 1,684.79/x
  3. Step 3: Cross multiply
    3,328.28x = 4,992.25 × 1,684.79
  4. Step 4: Simplify right side
    3,328.28x = 8,410,887.45
  5. Step 5: Solve for x
    x = 8,410,887.45/3,328.28
  6. Step 6: Final answer
    x = 2,527.09

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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.