Home / 3,205.29-4,423.34-1,879.02

Finding the Fourth Proportional to 3,205.29, 4,423.34 and 1,879.02

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Solution

The fourth proportional to 3,205.29, 4,423.34 and 1,879.02 is: 2,593.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.29 : 4,423.34 = 1,879.02 : x
  2. Step 2: Convert to fraction form
    3,205.29/4,423.34 = 1,879.02/x
  3. Step 3: Cross multiply
    3,205.29x = 4,423.34 × 1,879.02
  4. Step 4: Simplify right side
    3,205.29x = 8,311,544.33
  5. Step 5: Solve for x
    x = 8,311,544.33/3,205.29
  6. Step 6: Final answer
    x = 2,593.07

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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.