Home / 3,409.96-5,111.30-1,764.86

Finding the Fourth Proportional to 3,409.96, 5,111.30 and 1,764.86

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Solution

The fourth proportional to 3,409.96, 5,111.30 and 1,764.86 is: 2,645.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.96 : 5,111.30 = 1,764.86 : x
  2. Step 2: Convert to fraction form
    3,409.96/5,111.30 = 1,764.86/x
  3. Step 3: Cross multiply
    3,409.96x = 5,111.30 × 1,764.86
  4. Step 4: Simplify right side
    3,409.96x = 9,020,728.92
  5. Step 5: Solve for x
    x = 9,020,728.92/3,409.96
  6. Step 6: Final answer
    x = 2,645.41

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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.