Home / 3,395.32-5,084.78-1,930.03

Finding the Fourth Proportional to 3,395.32, 5,084.78 and 1,930.03

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Solution

The fourth proportional to 3,395.32, 5,084.78 and 1,930.03 is: 2,890.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395.32 : 5,084.78 = 1,930.03 : x
  2. Step 2: Convert to fraction form
    3,395.32/5,084.78 = 1,930.03/x
  3. Step 3: Cross multiply
    3,395.32x = 5,084.78 × 1,930.03
  4. Step 4: Simplify right side
    3,395.32x = 9,813,755.58
  5. Step 5: Solve for x
    x = 9,813,755.58/3,395.32
  6. Step 6: Final answer
    x = 2,890.38

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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.