Home / 3,367.20-5,052.76-1,419.24

Finding the Fourth Proportional to 3,367.20, 5,052.76 and 1,419.24

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Solution

The fourth proportional to 3,367.20, 5,052.76 and 1,419.24 is: 2,129.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,367.20 : 5,052.76 = 1,419.24 : x
  2. Step 2: Convert to fraction form
    3,367.20/5,052.76 = 1,419.24/x
  3. Step 3: Cross multiply
    3,367.20x = 5,052.76 × 1,419.24
  4. Step 4: Simplify right side
    3,367.20x = 7,171,079.10
  5. Step 5: Solve for x
    x = 7,171,079.10/3,367.20
  6. Step 6: Final answer
    x = 2,129.69

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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.