Home / 3,186.27-4,780.32-1,337.64

Finding the Fourth Proportional to 3,186.27, 4,780.32 and 1,337.64

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Solution

The fourth proportional to 3,186.27, 4,780.32 and 1,337.64 is: 2,006.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.27 : 4,780.32 = 1,337.64 : x
  2. Step 2: Convert to fraction form
    3,186.27/4,780.32 = 1,337.64/x
  3. Step 3: Cross multiply
    3,186.27x = 4,780.32 × 1,337.64
  4. Step 4: Simplify right side
    3,186.27x = 6,394,347.24
  5. Step 5: Solve for x
    x = 6,394,347.24/3,186.27
  6. Step 6: Final answer
    x = 2,006.84

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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.