Home / 3,618.92-5,428.58-1,022.08

Finding the Fourth Proportional to 3,618.92, 5,428.58 and 1,022.08

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Solution

The fourth proportional to 3,618.92, 5,428.58 and 1,022.08 is: 1,533.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.92 : 5,428.58 = 1,022.08 : x
  2. Step 2: Convert to fraction form
    3,618.92/5,428.58 = 1,022.08/x
  3. Step 3: Cross multiply
    3,618.92x = 5,428.58 × 1,022.08
  4. Step 4: Simplify right side
    3,618.92x = 5,548,443.05
  5. Step 5: Solve for x
    x = 5,548,443.05/3,618.92
  6. Step 6: Final answer
    x = 1,533.18

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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.