Home / 3,419.52-5,129.33-2,256.96

Finding the Fourth Proportional to 3,419.52, 5,129.33 and 2,256.96

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Solution

The fourth proportional to 3,419.52, 5,129.33 and 2,256.96 is: 3,385.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.52 : 5,129.33 = 2,256.96 : x
  2. Step 2: Convert to fraction form
    3,419.52/5,129.33 = 2,256.96/x
  3. Step 3: Cross multiply
    3,419.52x = 5,129.33 × 2,256.96
  4. Step 4: Simplify right side
    3,419.52x = 11,576,700.59
  5. Step 5: Solve for x
    x = 11,576,700.59/3,419.52
  6. Step 6: Final answer
    x = 3,385.48

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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.