Home / 3,400.44-5,090.70-2,581.92

Finding the Fourth Proportional to 3,400.44, 5,090.70 and 2,581.92

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Solution

The fourth proportional to 3,400.44, 5,090.70 and 2,581.92 is: 3,865.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.44 : 5,090.70 = 2,581.92 : x
  2. Step 2: Convert to fraction form
    3,400.44/5,090.70 = 2,581.92/x
  3. Step 3: Cross multiply
    3,400.44x = 5,090.70 × 2,581.92
  4. Step 4: Simplify right side
    3,400.44x = 13,143,780.14
  5. Step 5: Solve for x
    x = 13,143,780.14/3,400.44
  6. Step 6: Final answer
    x = 3,865.32

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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.