Home / 3,326.67-4,989.60-1,135.35

Finding the Fourth Proportional to 3,326.67, 4,989.60 and 1,135.35

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Solution

The fourth proportional to 3,326.67, 4,989.60 and 1,135.35 is: 1,702.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.67 : 4,989.60 = 1,135.35 : x
  2. Step 2: Convert to fraction form
    3,326.67/4,989.60 = 1,135.35/x
  3. Step 3: Cross multiply
    3,326.67x = 4,989.60 × 1,135.35
  4. Step 4: Simplify right side
    3,326.67x = 5,664,942.36
  5. Step 5: Solve for x
    x = 5,664,942.36/3,326.67
  6. Step 6: Final answer
    x = 1,702.89

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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.