Home / 2,850.24-4,276.41-1,289.76

Finding the Fourth Proportional to 2,850.24, 4,276.41 and 1,289.76

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Solution

The fourth proportional to 2,850.24, 4,276.41 and 1,289.76 is: 1,935.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.24 : 4,276.41 = 1,289.76 : x
  2. Step 2: Convert to fraction form
    2,850.24/4,276.41 = 1,289.76/x
  3. Step 3: Cross multiply
    2,850.24x = 4,276.41 × 1,289.76
  4. Step 4: Simplify right side
    2,850.24x = 5,515,542.56
  5. Step 5: Solve for x
    x = 5,515,542.56/2,850.24
  6. Step 6: Final answer
    x = 1,935.12

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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.