Home / 3,468.22-5,196.84-2,815.76

Finding the Fourth Proportional to 3,468.22, 5,196.84 and 2,815.76

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Solution

The fourth proportional to 3,468.22, 5,196.84 and 2,815.76 is: 4,219.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468.22 : 5,196.84 = 2,815.76 : x
  2. Step 2: Convert to fraction form
    3,468.22/5,196.84 = 2,815.76/x
  3. Step 3: Cross multiply
    3,468.22x = 5,196.84 × 2,815.76
  4. Step 4: Simplify right side
    3,468.22x = 14,633,054.20
  5. Step 5: Solve for x
    x = 14,633,054.20/3,468.22
  6. Step 6: Final answer
    x = 4,219.19

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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.