Home / 3,943.23-5,441.67-2,174.87

Finding the Fourth Proportional to 3,943.23, 5,441.67 and 2,174.87

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Solution

The fourth proportional to 3,943.23, 5,441.67 and 2,174.87 is: 3,001.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.23 : 5,441.67 = 2,174.87 : x
  2. Step 2: Convert to fraction form
    3,943.23/5,441.67 = 2,174.87/x
  3. Step 3: Cross multiply
    3,943.23x = 5,441.67 × 2,174.87
  4. Step 4: Simplify right side
    3,943.23x = 11,834,897.62
  5. Step 5: Solve for x
    x = 11,834,897.62/3,943.23
  6. Step 6: Final answer
    x = 3,001.32

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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.