Home / 2,850.54-3,930.58-2,451.77

Finding the Fourth Proportional to 2,850.54, 3,930.58 and 2,451.77

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Solution

The fourth proportional to 2,850.54, 3,930.58 and 2,451.77 is: 3,380.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.54 : 3,930.58 = 2,451.77 : x
  2. Step 2: Convert to fraction form
    2,850.54/3,930.58 = 2,451.77/x
  3. Step 3: Cross multiply
    2,850.54x = 3,930.58 × 2,451.77
  4. Step 4: Simplify right side
    2,850.54x = 9,636,862.49
  5. Step 5: Solve for x
    x = 9,636,862.49/2,850.54
  6. Step 6: Final answer
    x = 3,380.71

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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.