Home / 3,402.88-5,103.24-1,322.74

Finding the Fourth Proportional to 3,402.88, 5,103.24 and 1,322.74

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Solution

The fourth proportional to 3,402.88, 5,103.24 and 1,322.74 is: 1,983.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,402.88 : 5,103.24 = 1,322.74 : x
  2. Step 2: Convert to fraction form
    3,402.88/5,103.24 = 1,322.74/x
  3. Step 3: Cross multiply
    3,402.88x = 5,103.24 × 1,322.74
  4. Step 4: Simplify right side
    3,402.88x = 6,750,259.68
  5. Step 5: Solve for x
    x = 6,750,259.68/3,402.88
  6. Step 6: Final answer
    x = 1,983.69

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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.