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Finding the Fourth Proportional to 1,700.52, 2,550.75 and 605.67

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Solution

The fourth proportional to 1,700.52, 2,550.75 and 605.67 is: 908.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700.52 : 2,550.75 = 605.67 : x
  2. Step 2: Convert to fraction form
    1,700.52/2,550.75 = 605.67/x
  3. Step 3: Cross multiply
    1,700.52x = 2,550.75 × 605.67
  4. Step 4: Simplify right side
    1,700.52x = 1,544,912.75
  5. Step 5: Solve for x
    x = 1,544,912.75/1,700.52
  6. Step 6: Final answer
    x = 908.49

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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.