Home / 3,943.41-5,441.90-2,175.14

Finding the Fourth Proportional to 3,943.41, 5,441.90 and 2,175.14

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Solution

The fourth proportional to 3,943.41, 5,441.90 and 2,175.14 is: 3,001.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.41 : 5,441.90 = 2,175.14 : x
  2. Step 2: Convert to fraction form
    3,943.41/5,441.90 = 2,175.14/x
  3. Step 3: Cross multiply
    3,943.41x = 5,441.90 × 2,175.14
  4. Step 4: Simplify right side
    3,943.41x = 11,836,856.28
  5. Step 5: Solve for x
    x = 11,836,856.28/3,943.41
  6. Step 6: Final answer
    x = 3,001.68

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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.