Home / 3,943.31-5,441.72-2,174.85

Finding the Fourth Proportional to 3,943.31, 5,441.72 and 2,174.85

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Solution

The fourth proportional to 3,943.31, 5,441.72 and 2,174.85 is: 3,001.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.31 : 5,441.72 = 2,174.85 : x
  2. Step 2: Convert to fraction form
    3,943.31/5,441.72 = 2,174.85/x
  3. Step 3: Cross multiply
    3,943.31x = 5,441.72 × 2,174.85
  4. Step 4: Simplify right side
    3,943.31x = 11,834,913.87
  5. Step 5: Solve for x
    x = 11,834,913.87/3,943.31
  6. Step 6: Final answer
    x = 3,001.27

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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.