Home / 3,409.07-5,109.42-1,764.68

Finding the Fourth Proportional to 3,409.07, 5,109.42 and 1,764.68

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Solution

The fourth proportional to 3,409.07, 5,109.42 and 1,764.68 is: 2,644.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.07 : 5,109.42 = 1,764.68 : x
  2. Step 2: Convert to fraction form
    3,409.07/5,109.42 = 1,764.68/x
  3. Step 3: Cross multiply
    3,409.07x = 5,109.42 × 1,764.68
  4. Step 4: Simplify right side
    3,409.07x = 9,016,491.29
  5. Step 5: Solve for x
    x = 9,016,491.29/3,409.07
  6. Step 6: Final answer
    x = 2,644.85

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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.