Home / 3,468.15-5,195.35-1,616.72

Finding the Fourth Proportional to 3,468.15, 5,195.35 and 1,616.72

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Solution

The fourth proportional to 3,468.15, 5,195.35 and 1,616.72 is: 2,421.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468.15 : 5,195.35 = 1,616.72 : x
  2. Step 2: Convert to fraction form
    3,468.15/5,195.35 = 1,616.72/x
  3. Step 3: Cross multiply
    3,468.15x = 5,195.35 × 1,616.72
  4. Step 4: Simplify right side
    3,468.15x = 8,399,426.25
  5. Step 5: Solve for x
    x = 8,399,426.25/3,468.15
  6. Step 6: Final answer
    x = 2,421.88

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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.