Home / 3,331.08-4,989.33-1,377.36

Finding the Fourth Proportional to 3,331.08, 4,989.33 and 1,377.36

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Solution

The fourth proportional to 3,331.08, 4,989.33 and 1,377.36 is: 2,063.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.08 : 4,989.33 = 1,377.36 : x
  2. Step 2: Convert to fraction form
    3,331.08/4,989.33 = 1,377.36/x
  3. Step 3: Cross multiply
    3,331.08x = 4,989.33 × 1,377.36
  4. Step 4: Simplify right side
    3,331.08x = 6,872,103.57
  5. Step 5: Solve for x
    x = 6,872,103.57/3,331.08
  6. Step 6: Final answer
    x = 2,063.03

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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.