Home / 2,738.36-4,102.31-1,811.18

Finding the Fourth Proportional to 2,738.36, 4,102.31 and 1,811.18

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Solution

The fourth proportional to 2,738.36, 4,102.31 and 1,811.18 is: 2,713.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738.36 : 4,102.31 = 1,811.18 : x
  2. Step 2: Convert to fraction form
    2,738.36/4,102.31 = 1,811.18/x
  3. Step 3: Cross multiply
    2,738.36x = 4,102.31 × 1,811.18
  4. Step 4: Simplify right side
    2,738.36x = 7,430,036.61
  5. Step 5: Solve for x
    x = 7,430,036.61/2,738.36
  6. Step 6: Final answer
    x = 2,713.31

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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.