Home / 3,619.64-5,434.24-3,102.96

Finding the Fourth Proportional to 3,619.64, 5,434.24 and 3,102.96

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Solution

The fourth proportional to 3,619.64, 5,434.24 and 3,102.96 is: 4,658.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.64 : 5,434.24 = 3,102.96 : x
  2. Step 2: Convert to fraction form
    3,619.64/5,434.24 = 3,102.96/x
  3. Step 3: Cross multiply
    3,619.64x = 5,434.24 × 3,102.96
  4. Step 4: Simplify right side
    3,619.64x = 16,862,217.22
  5. Step 5: Solve for x
    x = 16,862,217.22/3,619.64
  6. Step 6: Final answer
    x = 4,658.54

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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.