Home / 3,106.11-4,286.48-1,848.09

Finding the Fourth Proportional to 3,106.11, 4,286.48 and 1,848.09

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Solution

The fourth proportional to 3,106.11, 4,286.48 and 1,848.09 is: 2,550.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.11 : 4,286.48 = 1,848.09 : x
  2. Step 2: Convert to fraction form
    3,106.11/4,286.48 = 1,848.09/x
  3. Step 3: Cross multiply
    3,106.11x = 4,286.48 × 1,848.09
  4. Step 4: Simplify right side
    3,106.11x = 7,921,791.58
  5. Step 5: Solve for x
    x = 7,921,791.58/3,106.11
  6. Step 6: Final answer
    x = 2,550.39

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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.