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Finding the Fourth Proportional to 3,615.12, 4,983.08 and 2,950.83

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Solution

The fourth proportional to 3,615.12, 4,983.08 and 2,950.83 is: 4,067.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.12 : 4,983.08 = 2,950.83 : x
  2. Step 2: Convert to fraction form
    3,615.12/4,983.08 = 2,950.83/x
  3. Step 3: Cross multiply
    3,615.12x = 4,983.08 × 2,950.83
  4. Step 4: Simplify right side
    3,615.12x = 14,704,221.96
  5. Step 5: Solve for x
    x = 14,704,221.96/3,615.12
  6. Step 6: Final answer
    x = 4,067.42

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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.