Home / 3,135.65-4,704.41-1,286.88

Finding the Fourth Proportional to 3,135.65, 4,704.41 and 1,286.88

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Solution

The fourth proportional to 3,135.65, 4,704.41 and 1,286.88 is: 1,930.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.65 : 4,704.41 = 1,286.88 : x
  2. Step 2: Convert to fraction form
    3,135.65/4,704.41 = 1,286.88/x
  3. Step 3: Cross multiply
    3,135.65x = 4,704.41 × 1,286.88
  4. Step 4: Simplify right side
    3,135.65x = 6,054,011.14
  5. Step 5: Solve for x
    x = 6,054,011.14/3,135.65
  6. Step 6: Final answer
    x = 1,930.70

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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.