Home / 3,558.78-5,338.08-1,609.56

Finding the Fourth Proportional to 3,558.78, 5,338.08 and 1,609.56

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Solution

The fourth proportional to 3,558.78, 5,338.08 and 1,609.56 is: 2,414.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.78 : 5,338.08 = 1,609.56 : x
  2. Step 2: Convert to fraction form
    3,558.78/5,338.08 = 1,609.56/x
  3. Step 3: Cross multiply
    3,558.78x = 5,338.08 × 1,609.56
  4. Step 4: Simplify right side
    3,558.78x = 8,591,960.04
  5. Step 5: Solve for x
    x = 8,591,960.04/3,558.78
  6. Step 6: Final answer
    x = 2,414.30

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1.5x scale

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.