Home / 3,107.35-4,659.13-1,230.99

Finding the Fourth Proportional to 3,107.35, 4,659.13 and 1,230.99

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Solution

The fourth proportional to 3,107.35, 4,659.13 and 1,230.99 is: 1,845.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.35 : 4,659.13 = 1,230.99 : x
  2. Step 2: Convert to fraction form
    3,107.35/4,659.13 = 1,230.99/x
  3. Step 3: Cross multiply
    3,107.35x = 4,659.13 × 1,230.99
  4. Step 4: Simplify right side
    3,107.35x = 5,735,342.44
  5. Step 5: Solve for x
    x = 5,735,342.44/3,107.35
  6. Step 6: Final answer
    x = 1,845.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.