Home / 3,419.03-5,123.73-2,722.61

Finding the Fourth Proportional to 3,419.03, 5,123.73 and 2,722.61

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Solution

The fourth proportional to 3,419.03, 5,123.73 and 2,722.61 is: 4,080.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.03 : 5,123.73 = 2,722.61 : x
  2. Step 2: Convert to fraction form
    3,419.03/5,123.73 = 2,722.61/x
  3. Step 3: Cross multiply
    3,419.03x = 5,123.73 × 2,722.61
  4. Step 4: Simplify right side
    3,419.03x = 13,949,918.54
  5. Step 5: Solve for x
    x = 13,949,918.54/3,419.03
  6. Step 6: Final answer
    x = 4,080.08

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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.