Home / 3,621.28-5,429.14-1,154.64

Finding the Fourth Proportional to 3,621.28, 5,429.14 and 1,154.64

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Solution

The fourth proportional to 3,621.28, 5,429.14 and 1,154.64 is: 1,731.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.28 : 5,429.14 = 1,154.64 : x
  2. Step 2: Convert to fraction form
    3,621.28/5,429.14 = 1,154.64/x
  3. Step 3: Cross multiply
    3,621.28x = 5,429.14 × 1,154.64
  4. Step 4: Simplify right side
    3,621.28x = 6,268,702.21
  5. Step 5: Solve for x
    x = 6,268,702.21/3,621.28
  6. Step 6: Final answer
    x = 1,731.07

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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.