Home / 3,558.78-5,338.22-1,709.56

Finding the Fourth Proportional to 3,558.78, 5,338.22 and 1,709.56

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Solution

The fourth proportional to 3,558.78, 5,338.22 and 1,709.56 is: 2,564.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.78 : 5,338.22 = 1,709.56 : x
  2. Step 2: Convert to fraction form
    3,558.78/5,338.22 = 1,709.56/x
  3. Step 3: Cross multiply
    3,558.78x = 5,338.22 × 1,709.56
  4. Step 4: Simplify right side
    3,558.78x = 9,126,007.38
  5. Step 5: Solve for x
    x = 9,126,007.38/3,558.78
  6. Step 6: Final answer
    x = 2,564.36

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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.