Home / 3,992.29-5,512.58-2,576.68

Finding the Fourth Proportional to 3,992.29, 5,512.58 and 2,576.68

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Solution

The fourth proportional to 3,992.29, 5,512.58 and 2,576.68 is: 3,557.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.29 : 5,512.58 = 2,576.68 : x
  2. Step 2: Convert to fraction form
    3,992.29/5,512.58 = 2,576.68/x
  3. Step 3: Cross multiply
    3,992.29x = 5,512.58 × 2,576.68
  4. Step 4: Simplify right side
    3,992.29x = 14,204,154.63
  5. Step 5: Solve for x
    x = 14,204,154.63/3,992.29
  6. Step 6: Final answer
    x = 3,557.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.