Home / 3,752.56-5,179.32-2,180.92

Finding the Fourth Proportional to 3,752.56, 5,179.32 and 2,180.92

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Solution

The fourth proportional to 3,752.56, 5,179.32 and 2,180.92 is: 3,010.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,752.56 : 5,179.32 = 2,180.92 : x
  2. Step 2: Convert to fraction form
    3,752.56/5,179.32 = 2,180.92/x
  3. Step 3: Cross multiply
    3,752.56x = 5,179.32 × 2,180.92
  4. Step 4: Simplify right side
    3,752.56x = 11,295,682.57
  5. Step 5: Solve for x
    x = 11,295,682.57/3,752.56
  6. Step 6: Final answer
    x = 3,010.13

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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.