Home / 3,658.20-5,487.66-1,192.92

Finding the Fourth Proportional to 3,658.20, 5,487.66 and 1,192.92

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Solution

The fourth proportional to 3,658.20, 5,487.66 and 1,192.92 is: 1,789.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658.20 : 5,487.66 = 1,192.92 : x
  2. Step 2: Convert to fraction form
    3,658.20/5,487.66 = 1,192.92/x
  3. Step 3: Cross multiply
    3,658.20x = 5,487.66 × 1,192.92
  4. Step 4: Simplify right side
    3,658.20x = 6,546,339.37
  5. Step 5: Solve for x
    x = 6,546,339.37/3,658.20
  6. Step 6: Final answer
    x = 1,789.50

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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.