Home / 3,171.75-4,750.85-2,576.08

Finding the Fourth Proportional to 3,171.75, 4,750.85 and 2,576.08

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Solution

The fourth proportional to 3,171.75, 4,750.85 and 2,576.08 is: 3,858.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.75 : 4,750.85 = 2,576.08 : x
  2. Step 2: Convert to fraction form
    3,171.75/4,750.85 = 2,576.08/x
  3. Step 3: Cross multiply
    3,171.75x = 4,750.85 × 2,576.08
  4. Step 4: Simplify right side
    3,171.75x = 12,238,556.79
  5. Step 5: Solve for x
    x = 12,238,556.79/3,171.75
  6. Step 6: Final answer
    x = 3,858.62

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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.