Home / 3,907.29-5,861.45-1,273.87

Finding the Fourth Proportional to 3,907.29, 5,861.45 and 1,273.87

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Solution

The fourth proportional to 3,907.29, 5,861.45 and 1,273.87 is: 1,910.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907.29 : 5,861.45 = 1,273.87 : x
  2. Step 2: Convert to fraction form
    3,907.29/5,861.45 = 1,273.87/x
  3. Step 3: Cross multiply
    3,907.29x = 5,861.45 × 1,273.87
  4. Step 4: Simplify right side
    3,907.29x = 7,466,712.17
  5. Step 5: Solve for x
    x = 7,466,712.17/3,907.29
  6. Step 6: Final answer
    x = 1,910.97

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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.