Home / 3,812.26-5,715.55-2,576.20

Finding the Fourth Proportional to 3,812.26, 5,715.55 and 2,576.20

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Solution

The fourth proportional to 3,812.26, 5,715.55 and 2,576.20 is: 3,862.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.26 : 5,715.55 = 2,576.20 : x
  2. Step 2: Convert to fraction form
    3,812.26/5,715.55 = 2,576.20/x
  3. Step 3: Cross multiply
    3,812.26x = 5,715.55 × 2,576.20
  4. Step 4: Simplify right side
    3,812.26x = 14,724,399.91
  5. Step 5: Solve for x
    x = 14,724,399.91/3,812.26
  6. Step 6: Final answer
    x = 3,862.38

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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.