Home / 3,456.34-5,183.37-1,376.86

Finding the Fourth Proportional to 3,456.34, 5,183.37 and 1,376.86

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Solution

The fourth proportional to 3,456.34, 5,183.37 and 1,376.86 is: 2,064.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.34 : 5,183.37 = 1,376.86 : x
  2. Step 2: Convert to fraction form
    3,456.34/5,183.37 = 1,376.86/x
  3. Step 3: Cross multiply
    3,456.34x = 5,183.37 × 1,376.86
  4. Step 4: Simplify right side
    3,456.34x = 7,136,774.82
  5. Step 5: Solve for x
    x = 7,136,774.82/3,456.34
  6. Step 6: Final answer
    x = 2,064.84

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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.