Home / 3,554.38-5,332.39-1,089.56

Finding the Fourth Proportional to 3,554.38, 5,332.39 and 1,089.56

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Solution

The fourth proportional to 3,554.38, 5,332.39 and 1,089.56 is: 1,634.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.38 : 5,332.39 = 1,089.56 : x
  2. Step 2: Convert to fraction form
    3,554.38/5,332.39 = 1,089.56/x
  3. Step 3: Cross multiply
    3,554.38x = 5,332.39 × 1,089.56
  4. Step 4: Simplify right side
    3,554.38x = 5,809,958.85
  5. Step 5: Solve for x
    x = 5,809,958.85/3,554.38
  6. Step 6: Final answer
    x = 1,634.59

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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.