Home / 3,391.74-5,076.81-1,829.52

Finding the Fourth Proportional to 3,391.74, 5,076.81 and 1,829.52

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Solution

The fourth proportional to 3,391.74, 5,076.81 and 1,829.52 is: 2,738.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.74 : 5,076.81 = 1,829.52 : x
  2. Step 2: Convert to fraction form
    3,391.74/5,076.81 = 1,829.52/x
  3. Step 3: Cross multiply
    3,391.74x = 5,076.81 × 1,829.52
  4. Step 4: Simplify right side
    3,391.74x = 9,288,125.43
  5. Step 5: Solve for x
    x = 9,288,125.43/3,391.74
  6. Step 6: Final answer
    x = 2,738.45

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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.