Home / 3,378.36-5,072.19-2,335.80

Finding the Fourth Proportional to 3,378.36, 5,072.19 and 2,335.80

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Solution

The fourth proportional to 3,378.36, 5,072.19 and 2,335.80 is: 3,506.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.36 : 5,072.19 = 2,335.80 : x
  2. Step 2: Convert to fraction form
    3,378.36/5,072.19 = 2,335.80/x
  3. Step 3: Cross multiply
    3,378.36x = 5,072.19 × 2,335.80
  4. Step 4: Simplify right side
    3,378.36x = 11,847,621.40
  5. Step 5: Solve for x
    x = 11,847,621.40/3,378.36
  6. Step 6: Final answer
    x = 3,506.92

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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.