Home / 3,329.15-4,990.82-1,248.60

Finding the Fourth Proportional to 3,329.15, 4,990.82 and 1,248.60

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Solution

The fourth proportional to 3,329.15, 4,990.82 and 1,248.60 is: 1,871.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.15 : 4,990.82 = 1,248.60 : x
  2. Step 2: Convert to fraction form
    3,329.15/4,990.82 = 1,248.60/x
  3. Step 3: Cross multiply
    3,329.15x = 4,990.82 × 1,248.60
  4. Step 4: Simplify right side
    3,329.15x = 6,231,537.85
  5. Step 5: Solve for x
    x = 6,231,537.85/3,329.15
  6. Step 6: Final answer
    x = 1,871.81

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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.