Home / 3,943.37-5,441.74-2,174.94

Finding the Fourth Proportional to 3,943.37, 5,441.74 and 2,174.94

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Solution

The fourth proportional to 3,943.37, 5,441.74 and 2,174.94 is: 3,001.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.37 : 5,441.74 = 2,174.94 : x
  2. Step 2: Convert to fraction form
    3,943.37/5,441.74 = 2,174.94/x
  3. Step 3: Cross multiply
    3,943.37x = 5,441.74 × 2,174.94
  4. Step 4: Simplify right side
    3,943.37x = 11,835,452.56
  5. Step 5: Solve for x
    x = 11,835,452.56/3,943.37
  6. Step 6: Final answer
    x = 3,001.35

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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.