Home / 3,621.14-5,429.04-1,154.54

Finding the Fourth Proportional to 3,621.14, 5,429.04 and 1,154.54

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Solution

The fourth proportional to 3,621.14, 5,429.04 and 1,154.54 is: 1,730.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.14 : 5,429.04 = 1,154.54 : x
  2. Step 2: Convert to fraction form
    3,621.14/5,429.04 = 1,154.54/x
  3. Step 3: Cross multiply
    3,621.14x = 5,429.04 × 1,154.54
  4. Step 4: Simplify right side
    3,621.14x = 6,268,016.70
  5. Step 5: Solve for x
    x = 6,268,016.70/3,621.14
  6. Step 6: Final answer
    x = 1,730.95

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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.