Home / 3,260.80-4,884.72-2,104.12

Finding the Fourth Proportional to 3,260.80, 4,884.72 and 2,104.12

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Solution

The fourth proportional to 3,260.80, 4,884.72 and 2,104.12 is: 3,152.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.80 : 4,884.72 = 2,104.12 : x
  2. Step 2: Convert to fraction form
    3,260.80/4,884.72 = 2,104.12/x
  3. Step 3: Cross multiply
    3,260.80x = 4,884.72 × 2,104.12
  4. Step 4: Simplify right side
    3,260.80x = 10,278,037.05
  5. Step 5: Solve for x
    x = 10,278,037.05/3,260.80
  6. Step 6: Final answer
    x = 3,152.00

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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.