Home / 3,943.42-5,441.95-2,175.09

Finding the Fourth Proportional to 3,943.42, 5,441.95 and 2,175.09

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Solution

The fourth proportional to 3,943.42, 5,441.95 and 2,175.09 is: 3,001.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.42 : 5,441.95 = 2,175.09 : x
  2. Step 2: Convert to fraction form
    3,943.42/5,441.95 = 2,175.09/x
  3. Step 3: Cross multiply
    3,943.42x = 5,441.95 × 2,175.09
  4. Step 4: Simplify right side
    3,943.42x = 11,836,731.03
  5. Step 5: Solve for x
    x = 11,836,731.03/3,943.42
  6. Step 6: Final answer
    x = 3,001.64

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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.