Home / 2,739.48-4,102.62-1,419.96

Finding the Fourth Proportional to 2,739.48, 4,102.62 and 1,419.96

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Solution

The fourth proportional to 2,739.48, 4,102.62 and 1,419.96 is: 2,126.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.48 : 4,102.62 = 1,419.96 : x
  2. Step 2: Convert to fraction form
    2,739.48/4,102.62 = 1,419.96/x
  3. Step 3: Cross multiply
    2,739.48x = 4,102.62 × 1,419.96
  4. Step 4: Simplify right side
    2,739.48x = 5,825,556.30
  5. Step 5: Solve for x
    x = 5,825,556.30/2,739.48
  6. Step 6: Final answer
    x = 2,126.52

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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.