Home / 3,468.66-5,198.40-1,821.84

Finding the Fourth Proportional to 3,468.66, 5,198.40 and 1,821.84

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Solution

The fourth proportional to 3,468.66, 5,198.40 and 1,821.84 is: 2,730.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468.66 : 5,198.40 = 1,821.84 : x
  2. Step 2: Convert to fraction form
    3,468.66/5,198.40 = 1,821.84/x
  3. Step 3: Cross multiply
    3,468.66x = 5,198.40 × 1,821.84
  4. Step 4: Simplify right side
    3,468.66x = 9,470,653.06
  5. Step 5: Solve for x
    x = 9,470,653.06/3,468.66
  6. Step 6: Final answer
    x = 2,730.35

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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.