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Finding the Fourth Proportional to 1,839.66, 2,759.66 and 606.77

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Solution

The fourth proportional to 1,839.66, 2,759.66 and 606.77 is: 910.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.66 : 2,759.66 = 606.77 : x
  2. Step 2: Convert to fraction form
    1,839.66/2,759.66 = 606.77/x
  3. Step 3: Cross multiply
    1,839.66x = 2,759.66 × 606.77
  4. Step 4: Simplify right side
    1,839.66x = 1,674,487.31
  5. Step 5: Solve for x
    x = 1,674,487.31/1,839.66
  6. Step 6: Final answer
    x = 910.22

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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.