Home / 2,879.08-4,319.34-1,147.84

Finding the Fourth Proportional to 2,879.08, 4,319.34 and 1,147.84

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Solution

The fourth proportional to 2,879.08, 4,319.34 and 1,147.84 is: 1,722.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879.08 : 4,319.34 = 1,147.84 : x
  2. Step 2: Convert to fraction form
    2,879.08/4,319.34 = 1,147.84/x
  3. Step 3: Cross multiply
    2,879.08x = 4,319.34 × 1,147.84
  4. Step 4: Simplify right side
    2,879.08x = 4,957,911.23
  5. Step 5: Solve for x
    x = 4,957,911.23/2,879.08
  6. Step 6: Final answer
    x = 1,722.05

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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.