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Finding the Fourth Proportional to 1,699.36, 2,549.07 and 603.73

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Solution

The fourth proportional to 1,699.36, 2,549.07 and 603.73 is: 905.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699.36 : 2,549.07 = 603.73 : x
  2. Step 2: Convert to fraction form
    1,699.36/2,549.07 = 603.73/x
  3. Step 3: Cross multiply
    1,699.36x = 2,549.07 × 603.73
  4. Step 4: Simplify right side
    1,699.36x = 1,538,950.03
  5. Step 5: Solve for x
    x = 1,538,950.03/1,699.36
  6. Step 6: Final answer
    x = 905.61

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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.