Home / 3,158.45-4,734.38-1,769.75

Finding the Fourth Proportional to 3,158.45, 4,734.38 and 1,769.75

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Solution

The fourth proportional to 3,158.45, 4,734.38 and 1,769.75 is: 2,652.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.45 : 4,734.38 = 1,769.75 : x
  2. Step 2: Convert to fraction form
    3,158.45/4,734.38 = 1,769.75/x
  3. Step 3: Cross multiply
    3,158.45x = 4,734.38 × 1,769.75
  4. Step 4: Simplify right side
    3,158.45x = 8,378,669.01
  5. Step 5: Solve for x
    x = 8,378,669.01/3,158.45
  6. Step 6: Final answer
    x = 2,652.78

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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.