Home / 3,072.99-4,589.90-2,780.04

Finding the Fourth Proportional to 3,072.99, 4,589.90 and 2,780.04

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Solution

The fourth proportional to 3,072.99, 4,589.90 and 2,780.04 is: 4,152.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.99 : 4,589.90 = 2,780.04 : x
  2. Step 2: Convert to fraction form
    3,072.99/4,589.90 = 2,780.04/x
  3. Step 3: Cross multiply
    3,072.99x = 4,589.90 × 2,780.04
  4. Step 4: Simplify right side
    3,072.99x = 12,760,091.70
  5. Step 5: Solve for x
    x = 12,760,091.70/3,072.99
  6. Step 6: Final answer
    x = 4,152.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.