Home / 2,739.14-4,109.11-1,440.70

Finding the Fourth Proportional to 2,739.14, 4,109.11 and 1,440.70

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Solution

The fourth proportional to 2,739.14, 4,109.11 and 1,440.70 is: 2,161.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.14 : 4,109.11 = 1,440.70 : x
  2. Step 2: Convert to fraction form
    2,739.14/4,109.11 = 1,440.70/x
  3. Step 3: Cross multiply
    2,739.14x = 4,109.11 × 1,440.70
  4. Step 4: Simplify right side
    2,739.14x = 5,919,994.78
  5. Step 5: Solve for x
    x = 5,919,994.78/2,739.14
  6. Step 6: Final answer
    x = 2,161.26

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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.