Home / 2,179.21-3,263.35-1,692.61

Finding the Fourth Proportional to 2,179.21, 3,263.35 and 1,692.61

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Solution

The fourth proportional to 2,179.21, 3,263.35 and 1,692.61 is: 2,534.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.21 : 3,263.35 = 1,692.61 : x
  2. Step 2: Convert to fraction form
    2,179.21/3,263.35 = 1,692.61/x
  3. Step 3: Cross multiply
    2,179.21x = 3,263.35 × 1,692.61
  4. Step 4: Simplify right side
    2,179.21x = 5,523,578.84
  5. Step 5: Solve for x
    x = 5,523,578.84/2,179.21
  6. Step 6: Final answer
    x = 2,534.67

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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.