Home / 2,455.96-3,388.08-1,571.52

Finding the Fourth Proportional to 2,455.96, 3,388.08 and 1,571.52

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Solution

The fourth proportional to 2,455.96, 3,388.08 and 1,571.52 is: 2,167.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.96 : 3,388.08 = 1,571.52 : x
  2. Step 2: Convert to fraction form
    2,455.96/3,388.08 = 1,571.52/x
  3. Step 3: Cross multiply
    2,455.96x = 3,388.08 × 1,571.52
  4. Step 4: Simplify right side
    2,455.96x = 5,324,435.48
  5. Step 5: Solve for x
    x = 5,324,435.48/2,455.96
  6. Step 6: Final answer
    x = 2,167.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.