Home / 3,329.36-4,996.16-3,078.40

Finding the Fourth Proportional to 3,329.36, 4,996.16 and 3,078.40

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Solution

The fourth proportional to 3,329.36, 4,996.16 and 3,078.40 is: 4,619.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.36 : 4,996.16 = 3,078.40 : x
  2. Step 2: Convert to fraction form
    3,329.36/4,996.16 = 3,078.40/x
  3. Step 3: Cross multiply
    3,329.36x = 4,996.16 × 3,078.40
  4. Step 4: Simplify right side
    3,329.36x = 15,380,178.94
  5. Step 5: Solve for x
    x = 15,380,178.94/3,329.36
  6. Step 6: Final answer
    x = 4,619.56

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1.5x scale

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.