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Finding the Fourth Proportional to 3,186.99, 4,776.84 and 1,727.37

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Solution

The fourth proportional to 3,186.99, 4,776.84 and 1,727.37 is: 2,589.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.99 : 4,776.84 = 1,727.37 : x
  2. Step 2: Convert to fraction form
    3,186.99/4,776.84 = 1,727.37/x
  3. Step 3: Cross multiply
    3,186.99x = 4,776.84 × 1,727.37
  4. Step 4: Simplify right side
    3,186.99x = 8,251,370.11
  5. Step 5: Solve for x
    x = 8,251,370.11/3,186.99
  6. Step 6: Final answer
    x = 2,589.08

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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.