Home / 3,989.03-5,981.45-1,795.86

Finding the Fourth Proportional to 3,989.03, 5,981.45 and 1,795.86

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Solution

The fourth proportional to 3,989.03, 5,981.45 and 1,795.86 is: 2,692.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989.03 : 5,981.45 = 1,795.86 : x
  2. Step 2: Convert to fraction form
    3,989.03/5,981.45 = 1,795.86/x
  3. Step 3: Cross multiply
    3,989.03x = 5,981.45 × 1,795.86
  4. Step 4: Simplify right side
    3,989.03x = 10,741,837.82
  5. Step 5: Solve for x
    x = 10,741,837.82/3,989.03
  6. Step 6: Final answer
    x = 2,692.85

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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.