Home / 3,622.62-5,431.94-1,673.08

Finding the Fourth Proportional to 3,622.62, 5,431.94 and 1,673.08

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Solution

The fourth proportional to 3,622.62, 5,431.94 and 1,673.08 is: 2,508.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.62 : 5,431.94 = 1,673.08 : x
  2. Step 2: Convert to fraction form
    3,622.62/5,431.94 = 1,673.08/x
  3. Step 3: Cross multiply
    3,622.62x = 5,431.94 × 1,673.08
  4. Step 4: Simplify right side
    3,622.62x = 9,088,070.18
  5. Step 5: Solve for x
    x = 9,088,070.18/3,622.62
  6. Step 6: Final answer
    x = 2,508.70

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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.