Home / 3,429.56-5,147.22-2,749.88

Finding the Fourth Proportional to 3,429.56, 5,147.22 and 2,749.88

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Solution

The fourth proportional to 3,429.56, 5,147.22 and 2,749.88 is: 4,127.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.56 : 5,147.22 = 2,749.88 : x
  2. Step 2: Convert to fraction form
    3,429.56/5,147.22 = 2,749.88/x
  3. Step 3: Cross multiply
    3,429.56x = 5,147.22 × 2,749.88
  4. Step 4: Simplify right side
    3,429.56x = 14,154,237.33
  5. Step 5: Solve for x
    x = 14,154,237.33/3,429.56
  6. Step 6: Final answer
    x = 4,127.13

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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.