Home / 2,739.42-4,101.03-1,812.38

Finding the Fourth Proportional to 2,739.42, 4,101.03 and 1,812.38

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Solution

The fourth proportional to 2,739.42, 4,101.03 and 1,812.38 is: 2,713.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.42 : 4,101.03 = 1,812.38 : x
  2. Step 2: Convert to fraction form
    2,739.42/4,101.03 = 1,812.38/x
  3. Step 3: Cross multiply
    2,739.42x = 4,101.03 × 1,812.38
  4. Step 4: Simplify right side
    2,739.42x = 7,432,604.25
  5. Step 5: Solve for x
    x = 7,432,604.25/2,739.42
  6. Step 6: Final answer
    x = 2,713.20

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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.