Home / 3,942.02-5,916.07-2,943.86

Finding the Fourth Proportional to 3,942.02, 5,916.07 and 2,943.86

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Solution

The fourth proportional to 3,942.02, 5,916.07 and 2,943.86 is: 4,418.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.02 : 5,916.07 = 2,943.86 : x
  2. Step 2: Convert to fraction form
    3,942.02/5,916.07 = 2,943.86/x
  3. Step 3: Cross multiply
    3,942.02x = 5,916.07 × 2,943.86
  4. Step 4: Simplify right side
    3,942.02x = 17,416,089.26
  5. Step 5: Solve for x
    x = 17,416,089.26/3,942.02
  6. Step 6: Final answer
    x = 4,418.06

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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.