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Finding the Fourth Proportional to 1,839.18, 2,759.07 and 606.94

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Solution

The fourth proportional to 1,839.18, 2,759.07 and 606.94 is: 910.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.18 : 2,759.07 = 606.94 : x
  2. Step 2: Convert to fraction form
    1,839.18/2,759.07 = 606.94/x
  3. Step 3: Cross multiply
    1,839.18x = 2,759.07 × 606.94
  4. Step 4: Simplify right side
    1,839.18x = 1,674,589.95
  5. Step 5: Solve for x
    x = 1,674,589.95/1,839.18
  6. Step 6: Final answer
    x = 910.51

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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.