Home / 3,941.74-5,439.45-2,173.31

Finding the Fourth Proportional to 3,941.74, 5,439.45 and 2,173.31

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Solution

The fourth proportional to 3,941.74, 5,439.45 and 2,173.31 is: 2,999.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.74 : 5,439.45 = 2,173.31 : x
  2. Step 2: Convert to fraction form
    3,941.74/5,439.45 = 2,173.31/x
  3. Step 3: Cross multiply
    3,941.74x = 5,439.45 × 2,173.31
  4. Step 4: Simplify right side
    3,941.74x = 11,821,611.08
  5. Step 5: Solve for x
    x = 11,821,611.08/3,941.74
  6. Step 6: Final answer
    x = 2,999.08

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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.