Home / 2,576.23-3,857.41-2,119.52

Finding the Fourth Proportional to 2,576.23, 3,857.41 and 2,119.52

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Solution

The fourth proportional to 2,576.23, 3,857.41 and 2,119.52 is: 3,173.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576.23 : 3,857.41 = 2,119.52 : x
  2. Step 2: Convert to fraction form
    2,576.23/3,857.41 = 2,119.52/x
  3. Step 3: Cross multiply
    2,576.23x = 3,857.41 × 2,119.52
  4. Step 4: Simplify right side
    2,576.23x = 8,175,838.36
  5. Step 5: Solve for x
    x = 8,175,838.36/2,576.23
  6. Step 6: Final answer
    x = 3,173.57

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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.