Home / 3,180.58-4,771.41-1,206.38

Finding the Fourth Proportional to 3,180.58, 4,771.41 and 1,206.38

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Solution

The fourth proportional to 3,180.58, 4,771.41 and 1,206.38 is: 1,809.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.58 : 4,771.41 = 1,206.38 : x
  2. Step 2: Convert to fraction form
    3,180.58/4,771.41 = 1,206.38/x
  3. Step 3: Cross multiply
    3,180.58x = 4,771.41 × 1,206.38
  4. Step 4: Simplify right side
    3,180.58x = 5,756,133.60
  5. Step 5: Solve for x
    x = 5,756,133.60/3,180.58
  6. Step 6: Final answer
    x = 1,809.77

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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.