Home / 2,740.80-4,108.11-1,351.19

Finding the Fourth Proportional to 2,740.80, 4,108.11 and 1,351.19

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Solution

The fourth proportional to 2,740.80, 4,108.11 and 1,351.19 is: 2,025.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.80 : 4,108.11 = 1,351.19 : x
  2. Step 2: Convert to fraction form
    2,740.80/4,108.11 = 1,351.19/x
  3. Step 3: Cross multiply
    2,740.80x = 4,108.11 × 1,351.19
  4. Step 4: Simplify right side
    2,740.80x = 5,550,837.15
  5. Step 5: Solve for x
    x = 5,550,837.15/2,740.80
  6. Step 6: Final answer
    x = 2,025.26

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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.