Home / 2,739.86-4,104.81-1,260.33

Finding the Fourth Proportional to 2,739.86, 4,104.81 and 1,260.33

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Solution

The fourth proportional to 2,739.86, 4,104.81 and 1,260.33 is: 1,888.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.86 : 4,104.81 = 1,260.33 : x
  2. Step 2: Convert to fraction form
    2,739.86/4,104.81 = 1,260.33/x
  3. Step 3: Cross multiply
    2,739.86x = 4,104.81 × 1,260.33
  4. Step 4: Simplify right side
    2,739.86x = 5,173,399.79
  5. Step 5: Solve for x
    x = 5,173,399.79/2,739.86
  6. Step 6: Final answer
    x = 1,888.20

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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.