Home / 3,907.19-5,861.44-1,273.95

Finding the Fourth Proportional to 3,907.19, 5,861.44 and 1,273.95

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Solution

The fourth proportional to 3,907.19, 5,861.44 and 1,273.95 is: 1,911.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907.19 : 5,861.44 = 1,273.95 : x
  2. Step 2: Convert to fraction form
    3,907.19/5,861.44 = 1,273.95/x
  3. Step 3: Cross multiply
    3,907.19x = 5,861.44 × 1,273.95
  4. Step 4: Simplify right side
    3,907.19x = 7,467,166.95
  5. Step 5: Solve for x
    x = 7,467,166.95/3,907.19
  6. Step 6: Final answer
    x = 1,911.13

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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.