Home / 2,571.52-3,857.68-1,110.56

Finding the Fourth Proportional to 2,571.52, 3,857.68 and 1,110.56

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Solution

The fourth proportional to 2,571.52, 3,857.68 and 1,110.56 is: 1,666.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,571.52 : 3,857.68 = 1,110.56 : x
  2. Step 2: Convert to fraction form
    2,571.52/3,857.68 = 1,110.56/x
  3. Step 3: Cross multiply
    2,571.52x = 3,857.68 × 1,110.56
  4. Step 4: Simplify right side
    2,571.52x = 4,284,185.10
  5. Step 5: Solve for x
    x = 4,284,185.10/2,571.52
  6. Step 6: Final answer
    x = 1,666.01

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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.