Home / 3,752.67-5,179.16-2,180.73

Finding the Fourth Proportional to 3,752.67, 5,179.16 and 2,180.73

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Solution

The fourth proportional to 3,752.67, 5,179.16 and 2,180.73 is: 3,009.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,752.67 : 5,179.16 = 2,180.73 : x
  2. Step 2: Convert to fraction form
    3,752.67/5,179.16 = 2,180.73/x
  3. Step 3: Cross multiply
    3,752.67x = 5,179.16 × 2,180.73
  4. Step 4: Simplify right side
    3,752.67x = 11,294,349.59
  5. Step 5: Solve for x
    x = 11,294,349.59/3,752.67
  6. Step 6: Final answer
    x = 3,009.68

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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.