Home / 3,489.18-5,238.40-2,029.38

Finding the Fourth Proportional to 3,489.18, 5,238.40 and 2,029.38

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Solution

The fourth proportional to 3,489.18, 5,238.40 and 2,029.38 is: 3,046.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.18 : 5,238.40 = 2,029.38 : x
  2. Step 2: Convert to fraction form
    3,489.18/5,238.40 = 2,029.38/x
  3. Step 3: Cross multiply
    3,489.18x = 5,238.40 × 2,029.38
  4. Step 4: Simplify right side
    3,489.18x = 10,630,704.19
  5. Step 5: Solve for x
    x = 10,630,704.19/3,489.18
  6. Step 6: Final answer
    x = 3,046.76

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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.