Home / 3,107.08-4,286.35-1,847.44

Finding the Fourth Proportional to 3,107.08, 4,286.35 and 1,847.44

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Solution

The fourth proportional to 3,107.08, 4,286.35 and 1,847.44 is: 2,548.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.08 : 4,286.35 = 1,847.44 : x
  2. Step 2: Convert to fraction form
    3,107.08/4,286.35 = 1,847.44/x
  3. Step 3: Cross multiply
    3,107.08x = 4,286.35 × 1,847.44
  4. Step 4: Simplify right side
    3,107.08x = 7,918,774.44
  5. Step 5: Solve for x
    x = 7,918,774.44/3,107.08
  6. Step 6: Final answer
    x = 2,548.62

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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.