Home / 3,604.39-5,401.97-2,780.94

Finding the Fourth Proportional to 3,604.39, 5,401.97 and 2,780.94

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Solution

The fourth proportional to 3,604.39, 5,401.97 and 2,780.94 is: 4,167.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604.39 : 5,401.97 = 2,780.94 : x
  2. Step 2: Convert to fraction form
    3,604.39/5,401.97 = 2,780.94/x
  3. Step 3: Cross multiply
    3,604.39x = 5,401.97 × 2,780.94
  4. Step 4: Simplify right side
    3,604.39x = 15,022,554.45
  5. Step 5: Solve for x
    x = 15,022,554.45/3,604.39
  6. Step 6: Final answer
    x = 4,167.85

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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.