Home / 3,615.08-5,424.67-2,231.80

Finding the Fourth Proportional to 3,615.08, 5,424.67 and 2,231.80

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Solution

The fourth proportional to 3,615.08, 5,424.67 and 2,231.80 is: 3,348.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.08 : 5,424.67 = 2,231.80 : x
  2. Step 2: Convert to fraction form
    3,615.08/5,424.67 = 2,231.80/x
  3. Step 3: Cross multiply
    3,615.08x = 5,424.67 × 2,231.80
  4. Step 4: Simplify right side
    3,615.08x = 12,106,798.25
  5. Step 5: Solve for x
    x = 12,106,798.25/3,615.08
  6. Step 6: Final answer
    x = 3,348.97

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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.