Home / 3,943.34-5,441.73-2,175.11

Finding the Fourth Proportional to 3,943.34, 5,441.73 and 2,175.11

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Solution

The fourth proportional to 3,943.34, 5,441.73 and 2,175.11 is: 3,001.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.34 : 5,441.73 = 2,175.11 : x
  2. Step 2: Convert to fraction form
    3,943.34/5,441.73 = 2,175.11/x
  3. Step 3: Cross multiply
    3,943.34x = 5,441.73 × 2,175.11
  4. Step 4: Simplify right side
    3,943.34x = 11,836,334.13
  5. Step 5: Solve for x
    x = 11,836,334.13/3,943.34
  6. Step 6: Final answer
    x = 3,001.61

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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.