Home / 3,409.47-5,110.54-1,764.36

Finding the Fourth Proportional to 3,409.47, 5,110.54 and 1,764.36

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Solution

The fourth proportional to 3,409.47, 5,110.54 and 1,764.36 is: 2,644.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.47 : 5,110.54 = 1,764.36 : x
  2. Step 2: Convert to fraction form
    3,409.47/5,110.54 = 1,764.36/x
  3. Step 3: Cross multiply
    3,409.47x = 5,110.54 × 1,764.36
  4. Step 4: Simplify right side
    3,409.47x = 9,016,832.35
  5. Step 5: Solve for x
    x = 9,016,832.35/3,409.47
  6. Step 6: Final answer
    x = 2,644.64

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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.