Home / 3,069.20-4,235.12-2,076.64

Finding the Fourth Proportional to 3,069.20, 4,235.12 and 2,076.64

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Solution

The fourth proportional to 3,069.20, 4,235.12 and 2,076.64 is: 2,865.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.20 : 4,235.12 = 2,076.64 : x
  2. Step 2: Convert to fraction form
    3,069.20/4,235.12 = 2,076.64/x
  3. Step 3: Cross multiply
    3,069.20x = 4,235.12 × 2,076.64
  4. Step 4: Simplify right side
    3,069.20x = 8,794,819.60
  5. Step 5: Solve for x
    x = 8,794,819.60/3,069.20
  6. Step 6: Final answer
    x = 2,865.51

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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.