Home / 3,829.74-5,291.91-2,992.56

Finding the Fourth Proportional to 3,829.74, 5,291.91 and 2,992.56

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Solution

The fourth proportional to 3,829.74, 5,291.91 and 2,992.56 is: 4,135.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829.74 : 5,291.91 = 2,992.56 : x
  2. Step 2: Convert to fraction form
    3,829.74/5,291.91 = 2,992.56/x
  3. Step 3: Cross multiply
    3,829.74x = 5,291.91 × 2,992.56
  4. Step 4: Simplify right side
    3,829.74x = 15,836,358.19
  5. Step 5: Solve for x
    x = 15,836,358.19/3,829.74
  6. Step 6: Final answer
    x = 4,135.10

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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.