Home / 3,281.43-4,919.18-1,199.98

Finding the Fourth Proportional to 3,281.43, 4,919.18 and 1,199.98

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Solution

The fourth proportional to 3,281.43, 4,919.18 and 1,199.98 is: 1,798.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.43 : 4,919.18 = 1,199.98 : x
  2. Step 2: Convert to fraction form
    3,281.43/4,919.18 = 1,199.98/x
  3. Step 3: Cross multiply
    3,281.43x = 4,919.18 × 1,199.98
  4. Step 4: Simplify right side
    3,281.43x = 5,902,917.62
  5. Step 5: Solve for x
    x = 5,902,917.62/3,281.43
  6. Step 6: Final answer
    x = 1,798.89

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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.