Home / 3,943.50-5,441.96-2,175.06

Finding the Fourth Proportional to 3,943.50, 5,441.96 and 2,175.06

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Solution

The fourth proportional to 3,943.50, 5,441.96 and 2,175.06 is: 3,001.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.50 : 5,441.96 = 2,175.06 : x
  2. Step 2: Convert to fraction form
    3,943.50/5,441.96 = 2,175.06/x
  3. Step 3: Cross multiply
    3,943.50x = 5,441.96 × 2,175.06
  4. Step 4: Simplify right side
    3,943.50x = 11,836,589.52
  5. Step 5: Solve for x
    x = 11,836,589.52/3,943.50
  6. Step 6: Final answer
    x = 3,001.54

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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.