Home / 3,458.52-5,176.44-2,159.28

Finding the Fourth Proportional to 3,458.52, 5,176.44 and 2,159.28

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Solution

The fourth proportional to 3,458.52, 5,176.44 and 2,159.28 is: 3,231.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.52 : 5,176.44 = 2,159.28 : x
  2. Step 2: Convert to fraction form
    3,458.52/5,176.44 = 2,159.28/x
  3. Step 3: Cross multiply
    3,458.52x = 5,176.44 × 2,159.28
  4. Step 4: Simplify right side
    3,458.52x = 11,177,383.36
  5. Step 5: Solve for x
    x = 11,177,383.36/3,458.52
  6. Step 6: Final answer
    x = 3,231.84

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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.