Home / 2,879.08-4,318.66-1,234.60

Finding the Fourth Proportional to 2,879.08, 4,318.66 and 1,234.60

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Solution

The fourth proportional to 2,879.08, 4,318.66 and 1,234.60 is: 1,851.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879.08 : 4,318.66 = 1,234.60 : x
  2. Step 2: Convert to fraction form
    2,879.08/4,318.66 = 1,234.60/x
  3. Step 3: Cross multiply
    2,879.08x = 4,318.66 × 1,234.60
  4. Step 4: Simplify right side
    2,879.08x = 5,331,817.64
  5. Step 5: Solve for x
    x = 5,331,817.64/2,879.08
  6. Step 6: Final answer
    x = 1,851.92

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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.