Home / 3,518.33-5,261.97-3,131.03

Finding the Fourth Proportional to 3,518.33, 5,261.97 and 3,131.03

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Solution

The fourth proportional to 3,518.33, 5,261.97 and 3,131.03 is: 4,682.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.33 : 5,261.97 = 3,131.03 : x
  2. Step 2: Convert to fraction form
    3,518.33/5,261.97 = 3,131.03/x
  3. Step 3: Cross multiply
    3,518.33x = 5,261.97 × 3,131.03
  4. Step 4: Simplify right side
    3,518.33x = 16,475,385.93
  5. Step 5: Solve for x
    x = 16,475,385.93/3,518.33
  6. Step 6: Final answer
    x = 4,682.73

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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.