Home / 3,907.14-5,860.05-1,274.70

Finding the Fourth Proportional to 3,907.14, 5,860.05 and 1,274.70

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Solution

The fourth proportional to 3,907.14, 5,860.05 and 1,274.70 is: 1,911.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907.14 : 5,860.05 = 1,274.70 : x
  2. Step 2: Convert to fraction form
    3,907.14/5,860.05 = 1,274.70/x
  3. Step 3: Cross multiply
    3,907.14x = 5,860.05 × 1,274.70
  4. Step 4: Simplify right side
    3,907.14x = 7,469,805.74
  5. Step 5: Solve for x
    x = 7,469,805.74/3,907.14
  6. Step 6: Final answer
    x = 1,911.83

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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.