Home / 1,739.73-2,608.76-506.81

Finding the Fourth Proportional to 1,739.73, 2,608.76 and 506.81

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Solution

The fourth proportional to 1,739.73, 2,608.76 and 506.81 is: 759.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739.73 : 2,608.76 = 506.81 : x
  2. Step 2: Convert to fraction form
    1,739.73/2,608.76 = 506.81/x
  3. Step 3: Cross multiply
    1,739.73x = 2,608.76 × 506.81
  4. Step 4: Simplify right side
    1,739.73x = 1,322,130.08
  5. Step 5: Solve for x
    x = 1,322,130.08/1,739.73
  6. Step 6: Final answer
    x = 759.96

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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.