Home / 2,879.64-4,321.08-1,402.34

Finding the Fourth Proportional to 2,879.64, 4,321.08 and 1,402.34

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Solution

The fourth proportional to 2,879.64, 4,321.08 and 1,402.34 is: 2,104.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879.64 : 4,321.08 = 1,402.34 : x
  2. Step 2: Convert to fraction form
    2,879.64/4,321.08 = 1,402.34/x
  3. Step 3: Cross multiply
    2,879.64x = 4,321.08 × 1,402.34
  4. Step 4: Simplify right side
    2,879.64x = 6,059,601.72
  5. Step 5: Solve for x
    x = 6,059,601.72/2,879.64
  6. Step 6: Final answer
    x = 2,104.29

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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.