Home / 3,976.10-5,477.99-3,076.75

Finding the Fourth Proportional to 3,976.10, 5,477.99 and 3,076.75

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Solution

The fourth proportional to 3,976.10, 5,477.99 and 3,076.75 is: 4,238.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.10 : 5,477.99 = 3,076.75 : x
  2. Step 2: Convert to fraction form
    3,976.10/5,477.99 = 3,076.75/x
  3. Step 3: Cross multiply
    3,976.10x = 5,477.99 × 3,076.75
  4. Step 4: Simplify right side
    3,976.10x = 16,854,399.73
  5. Step 5: Solve for x
    x = 16,854,399.73/3,976.10
  6. Step 6: Final answer
    x = 4,238.93

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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.