Home / 3,621.44-5,428.96-1,568.32

Finding the Fourth Proportional to 3,621.44, 5,428.96 and 1,568.32

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Solution

The fourth proportional to 3,621.44, 5,428.96 and 1,568.32 is: 2,351.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.44 : 5,428.96 = 1,568.32 : x
  2. Step 2: Convert to fraction form
    3,621.44/5,428.96 = 1,568.32/x
  3. Step 3: Cross multiply
    3,621.44x = 5,428.96 × 1,568.32
  4. Step 4: Simplify right side
    3,621.44x = 8,514,346.55
  5. Step 5: Solve for x
    x = 8,514,346.55/3,621.44
  6. Step 6: Final answer
    x = 2,351.09

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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.