Home / 2,739.67-4,104.09-1,812.42

Finding the Fourth Proportional to 2,739.67, 4,104.09 and 1,812.42

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Solution

The fourth proportional to 2,739.67, 4,104.09 and 1,812.42 is: 2,715.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.67 : 4,104.09 = 1,812.42 : x
  2. Step 2: Convert to fraction form
    2,739.67/4,104.09 = 1,812.42/x
  3. Step 3: Cross multiply
    2,739.67x = 4,104.09 × 1,812.42
  4. Step 4: Simplify right side
    2,739.67x = 7,438,334.80
  5. Step 5: Solve for x
    x = 7,438,334.80/2,739.67
  6. Step 6: Final answer
    x = 2,715.05

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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.