Home / 3,568.46-5,352.68-1,620.81

Finding the Fourth Proportional to 3,568.46, 5,352.68 and 1,620.81

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Solution

The fourth proportional to 3,568.46, 5,352.68 and 1,620.81 is: 2,431.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,568.46 : 5,352.68 = 1,620.81 : x
  2. Step 2: Convert to fraction form
    3,568.46/5,352.68 = 1,620.81/x
  3. Step 3: Cross multiply
    3,568.46x = 5,352.68 × 1,620.81
  4. Step 4: Simplify right side
    3,568.46x = 8,675,681.32
  5. Step 5: Solve for x
    x = 8,675,681.32/3,568.46
  6. Step 6: Final answer
    x = 2,431.22

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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.