Home / 3,330.50-4,987.22-3,231.96

Finding the Fourth Proportional to 3,330.50, 4,987.22 and 3,231.96

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Solution

The fourth proportional to 3,330.50, 4,987.22 and 3,231.96 is: 4,839.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.50 : 4,987.22 = 3,231.96 : x
  2. Step 2: Convert to fraction form
    3,330.50/4,987.22 = 3,231.96/x
  3. Step 3: Cross multiply
    3,330.50x = 4,987.22 × 3,231.96
  4. Step 4: Simplify right side
    3,330.50x = 16,118,495.55
  5. Step 5: Solve for x
    x = 16,118,495.55/3,330.50
  6. Step 6: Final answer
    x = 4,839.66

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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.