Home / 2,879.60-3,975-1,832.96

Finding the Fourth Proportional to 2,879.60, 3,975 and 1,832.96

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Solution

The fourth proportional to 2,879.60, 3,975 and 1,832.96 is: 2,530.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879.60 : 3,975 = 1,832.96 : x
  2. Step 2: Convert to fraction form
    2,879.60/3,975 = 1,832.96/x
  3. Step 3: Cross multiply
    2,879.60x = 3,975 × 1,832.96
  4. Step 4: Simplify right side
    2,879.60x = 7,286,016
  5. Step 5: Solve for x
    x = 7,286,016/2,879.60
  6. Step 6: Final answer
    x = 2,530.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.