Home / 4,019.90-6,029.86-2,171.89

Finding the Fourth Proportional to 4,019.90, 6,029.86 and 2,171.89

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Solution

The fourth proportional to 4,019.90, 6,029.86 and 2,171.89 is: 3,257.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,019.90 : 6,029.86 = 2,171.89 : x
  2. Step 2: Convert to fraction form
    4,019.90/6,029.86 = 2,171.89/x
  3. Step 3: Cross multiply
    4,019.90x = 6,029.86 × 2,171.89
  4. Step 4: Simplify right side
    4,019.90x = 13,096,172.13
  5. Step 5: Solve for x
    x = 13,096,172.13/4,019.90
  6. Step 6: Final answer
    x = 3,257.83

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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.