Home / 3,251.08-4,879.50-1,692.19

Finding the Fourth Proportional to 3,251.08, 4,879.50 and 1,692.19

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Solution

The fourth proportional to 3,251.08, 4,879.50 and 1,692.19 is: 2,539.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.08 : 4,879.50 = 1,692.19 : x
  2. Step 2: Convert to fraction form
    3,251.08/4,879.50 = 1,692.19/x
  3. Step 3: Cross multiply
    3,251.08x = 4,879.50 × 1,692.19
  4. Step 4: Simplify right side
    3,251.08x = 8,257,041.11
  5. Step 5: Solve for x
    x = 8,257,041.11/3,251.08
  6. Step 6: Final answer
    x = 2,539.78

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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.