Home / 3,418.56-5,129.26-1,444.68

Finding the Fourth Proportional to 3,418.56, 5,129.26 and 1,444.68

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Solution

The fourth proportional to 3,418.56, 5,129.26 and 1,444.68 is: 2,167.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.56 : 5,129.26 = 1,444.68 : x
  2. Step 2: Convert to fraction form
    3,418.56/5,129.26 = 1,444.68/x
  3. Step 3: Cross multiply
    3,418.56x = 5,129.26 × 1,444.68
  4. Step 4: Simplify right side
    3,418.56x = 7,410,139.34
  5. Step 5: Solve for x
    x = 7,410,139.34/3,418.56
  6. Step 6: Final answer
    x = 2,167.62

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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.