Home / 3,424.33-5,131.77-1,777.60

Finding the Fourth Proportional to 3,424.33, 5,131.77 and 1,777.60

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Solution

The fourth proportional to 3,424.33, 5,131.77 and 1,777.60 is: 2,663.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.33 : 5,131.77 = 1,777.60 : x
  2. Step 2: Convert to fraction form
    3,424.33/5,131.77 = 1,777.60/x
  3. Step 3: Cross multiply
    3,424.33x = 5,131.77 × 1,777.60
  4. Step 4: Simplify right side
    3,424.33x = 9,122,234.35
  5. Step 5: Solve for x
    x = 9,122,234.35/3,424.33
  6. Step 6: Final answer
    x = 2,663.95

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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.