Home / 3,956.88-5,922.42-2,916.48

Finding the Fourth Proportional to 3,956.88, 5,922.42 and 2,916.48

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Solution

The fourth proportional to 3,956.88, 5,922.42 and 2,916.48 is: 4,365.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956.88 : 5,922.42 = 2,916.48 : x
  2. Step 2: Convert to fraction form
    3,956.88/5,922.42 = 2,916.48/x
  3. Step 3: Cross multiply
    3,956.88x = 5,922.42 × 2,916.48
  4. Step 4: Simplify right side
    3,956.88x = 17,272,619.48
  5. Step 5: Solve for x
    x = 17,272,619.48/3,956.88
  6. Step 6: Final answer
    x = 4,365.21

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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.