Home / 3,943.43-5,911.16-2,557.64

Finding the Fourth Proportional to 3,943.43, 5,911.16 and 2,557.64

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Solution

The fourth proportional to 3,943.43, 5,911.16 and 2,557.64 is: 3,833.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.43 : 5,911.16 = 2,557.64 : x
  2. Step 2: Convert to fraction form
    3,943.43/5,911.16 = 2,557.64/x
  3. Step 3: Cross multiply
    3,943.43x = 5,911.16 × 2,557.64
  4. Step 4: Simplify right side
    3,943.43x = 15,118,621.25
  5. Step 5: Solve for x
    x = 15,118,621.25/3,943.43
  6. Step 6: Final answer
    x = 3,833.88

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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.