Home / 3,201.12-4,798.85-1,119.83

Finding the Fourth Proportional to 3,201.12, 4,798.85 and 1,119.83

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Solution

The fourth proportional to 3,201.12, 4,798.85 and 1,119.83 is: 1,678.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.12 : 4,798.85 = 1,119.83 : x
  2. Step 2: Convert to fraction form
    3,201.12/4,798.85 = 1,119.83/x
  3. Step 3: Cross multiply
    3,201.12x = 4,798.85 × 1,119.83
  4. Step 4: Simplify right side
    3,201.12x = 5,373,866.60
  5. Step 5: Solve for x
    x = 5,373,866.60/3,201.12
  6. Step 6: Final answer
    x = 1,678.75

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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.