Home / 2,759.01-4,143.50-1,721.03

Finding the Fourth Proportional to 2,759.01, 4,143.50 and 1,721.03

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Solution

The fourth proportional to 2,759.01, 4,143.50 and 1,721.03 is: 2,584.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759.01 : 4,143.50 = 1,721.03 : x
  2. Step 2: Convert to fraction form
    2,759.01/4,143.50 = 1,721.03/x
  3. Step 3: Cross multiply
    2,759.01x = 4,143.50 × 1,721.03
  4. Step 4: Simplify right side
    2,759.01x = 7,131,087.81
  5. Step 5: Solve for x
    x = 7,131,087.81/2,759.01
  6. Step 6: Final answer
    x = 2,584.65

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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.