Home / 3,178.85-4,767.56-1,204.07

Finding the Fourth Proportional to 3,178.85, 4,767.56 and 1,204.07

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Solution

The fourth proportional to 3,178.85, 4,767.56 and 1,204.07 is: 1,805.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178.85 : 4,767.56 = 1,204.07 : x
  2. Step 2: Convert to fraction form
    3,178.85/4,767.56 = 1,204.07/x
  3. Step 3: Cross multiply
    3,178.85x = 4,767.56 × 1,204.07
  4. Step 4: Simplify right side
    3,178.85x = 5,740,450.63
  5. Step 5: Solve for x
    x = 5,740,450.63/3,178.85
  6. Step 6: Final answer
    x = 1,805.83

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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.