Home / 2,174.31-3,260.66-941.90

Finding the Fourth Proportional to 2,174.31, 3,260.66 and 941.90

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Solution

The fourth proportional to 2,174.31, 3,260.66 and 941.90 is: 1,412.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174.31 : 3,260.66 = 941.90 : x
  2. Step 2: Convert to fraction form
    2,174.31/3,260.66 = 941.90/x
  3. Step 3: Cross multiply
    2,174.31x = 3,260.66 × 941.90
  4. Step 4: Simplify right side
    2,174.31x = 3,071,194.64
  5. Step 5: Solve for x
    x = 3,071,194.64/2,174.31
  6. Step 6: Final answer
    x = 1,412.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.