Home / 2,850.62-3,930.77-2,474.37

Finding the Fourth Proportional to 2,850.62, 3,930.77 and 2,474.37

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Solution

The fourth proportional to 2,850.62, 3,930.77 and 2,474.37 is: 3,411.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.62 : 3,930.77 = 2,474.37 : x
  2. Step 2: Convert to fraction form
    2,850.62/3,930.77 = 2,474.37/x
  3. Step 3: Cross multiply
    2,850.62x = 3,930.77 × 2,474.37
  4. Step 4: Simplify right side
    2,850.62x = 9,726,166.99
  5. Step 5: Solve for x
    x = 9,726,166.99/2,850.62
  6. Step 6: Final answer
    x = 3,411.95

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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.