Home / 3,180.70-4,769.67-2,450.80

Finding the Fourth Proportional to 3,180.70, 4,769.67 and 2,450.80

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Solution

The fourth proportional to 3,180.70, 4,769.67 and 2,450.80 is: 3,675.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.70 : 4,769.67 = 2,450.80 : x
  2. Step 2: Convert to fraction form
    3,180.70/4,769.67 = 2,450.80/x
  3. Step 3: Cross multiply
    3,180.70x = 4,769.67 × 2,450.80
  4. Step 4: Simplify right side
    3,180.70x = 11,689,507.24
  5. Step 5: Solve for x
    x = 11,689,507.24/3,180.70
  6. Step 6: Final answer
    x = 3,675.14

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1.5x scale

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.