Home / 3,759.09-5,639.49-1,293.95

Finding the Fourth Proportional to 3,759.09, 5,639.49 and 1,293.95

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Solution

The fourth proportional to 3,759.09, 5,639.49 and 1,293.95 is: 1,941.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.09 : 5,639.49 = 1,293.95 : x
  2. Step 2: Convert to fraction form
    3,759.09/5,639.49 = 1,293.95/x
  3. Step 3: Cross multiply
    3,759.09x = 5,639.49 × 1,293.95
  4. Step 4: Simplify right side
    3,759.09x = 7,297,189.89
  5. Step 5: Solve for x
    x = 7,297,189.89/3,759.09
  6. Step 6: Final answer
    x = 1,941.21

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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.