Home / 2,879.08-4,319.84-1,418.25

Finding the Fourth Proportional to 2,879.08, 4,319.84 and 1,418.25

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Solution

The fourth proportional to 2,879.08, 4,319.84 and 1,418.25 is: 2,127.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879.08 : 4,319.84 = 1,418.25 : x
  2. Step 2: Convert to fraction form
    2,879.08/4,319.84 = 1,418.25/x
  3. Step 3: Cross multiply
    2,879.08x = 4,319.84 × 1,418.25
  4. Step 4: Simplify right side
    2,879.08x = 6,126,613.08
  5. Step 5: Solve for x
    x = 6,126,613.08/2,879.08
  6. Step 6: Final answer
    x = 2,127.98

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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.