Home / 2,576.38-3,855.33-2,230.90

Finding the Fourth Proportional to 2,576.38, 3,855.33 and 2,230.90

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Solution

The fourth proportional to 2,576.38, 3,855.33 and 2,230.90 is: 3,338.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576.38 : 3,855.33 = 2,230.90 : x
  2. Step 2: Convert to fraction form
    2,576.38/3,855.33 = 2,230.90/x
  3. Step 3: Cross multiply
    2,576.38x = 3,855.33 × 2,230.90
  4. Step 4: Simplify right side
    2,576.38x = 8,600,855.70
  5. Step 5: Solve for x
    x = 8,600,855.70/2,576.38
  6. Step 6: Final answer
    x = 3,338.35

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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.