Home / 3,815.41-5,249.37-3,365.32

Finding the Fourth Proportional to 3,815.41, 5,249.37 and 3,365.32

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Solution

The fourth proportional to 3,815.41, 5,249.37 and 3,365.32 is: 4,630.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.41 : 5,249.37 = 3,365.32 : x
  2. Step 2: Convert to fraction form
    3,815.41/5,249.37 = 3,365.32/x
  3. Step 3: Cross multiply
    3,815.41x = 5,249.37 × 3,365.32
  4. Step 4: Simplify right side
    3,815.41x = 17,665,809.85
  5. Step 5: Solve for x
    x = 17,665,809.85/3,815.41
  6. Step 6: Final answer
    x = 4,630.12

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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.