Home / 2,750.10-4,115.55-2,519.70

Finding the Fourth Proportional to 2,750.10, 4,115.55 and 2,519.70

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Solution

The fourth proportional to 2,750.10, 4,115.55 and 2,519.70 is: 3,770.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.10 : 4,115.55 = 2,519.70 : x
  2. Step 2: Convert to fraction form
    2,750.10/4,115.55 = 2,519.70/x
  3. Step 3: Cross multiply
    2,750.10x = 4,115.55 × 2,519.70
  4. Step 4: Simplify right side
    2,750.10x = 10,369,951.34
  5. Step 5: Solve for x
    x = 10,369,951.34/2,750.10
  6. Step 6: Final answer
    x = 3,770.75

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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.