Home / 3,658.09-5,488.01-1,192.85

Finding the Fourth Proportional to 3,658.09, 5,488.01 and 1,192.85

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Solution

The fourth proportional to 3,658.09, 5,488.01 and 1,192.85 is: 1,789.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658.09 : 5,488.01 = 1,192.85 : x
  2. Step 2: Convert to fraction form
    3,658.09/5,488.01 = 1,192.85/x
  3. Step 3: Cross multiply
    3,658.09x = 5,488.01 × 1,192.85
  4. Step 4: Simplify right side
    3,658.09x = 6,546,366.76
  5. Step 5: Solve for x
    x = 6,546,366.76/3,658.09
  6. Step 6: Final answer
    x = 1,789.56

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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.