Home / 3,815.54-5,715.09-2,576.14

Finding the Fourth Proportional to 3,815.54, 5,715.09 and 2,576.14

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Solution

The fourth proportional to 3,815.54, 5,715.09 and 2,576.14 is: 3,858.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.54 : 5,715.09 = 2,576.14 : x
  2. Step 2: Convert to fraction form
    3,815.54/5,715.09 = 2,576.14/x
  3. Step 3: Cross multiply
    3,815.54x = 5,715.09 × 2,576.14
  4. Step 4: Simplify right side
    3,815.54x = 14,722,871.95
  5. Step 5: Solve for x
    x = 14,722,871.95/3,815.54
  6. Step 6: Final answer
    x = 3,858.66

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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.