Home / 3,078.16-4,246.24-2,083.77

Finding the Fourth Proportional to 3,078.16, 4,246.24 and 2,083.77

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Solution

The fourth proportional to 3,078.16, 4,246.24 and 2,083.77 is: 2,874.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.16 : 4,246.24 = 2,083.77 : x
  2. Step 2: Convert to fraction form
    3,078.16/4,246.24 = 2,083.77/x
  3. Step 3: Cross multiply
    3,078.16x = 4,246.24 × 2,083.77
  4. Step 4: Simplify right side
    3,078.16x = 8,848,187.52
  5. Step 5: Solve for x
    x = 8,848,187.52/3,078.16
  6. Step 6: Final answer
    x = 2,874.51

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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.