Home / 3,281.92-4,923.03-1,090.61

Finding the Fourth Proportional to 3,281.92, 4,923.03 and 1,090.61

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Solution

The fourth proportional to 3,281.92, 4,923.03 and 1,090.61 is: 1,635.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.92 : 4,923.03 = 1,090.61 : x
  2. Step 2: Convert to fraction form
    3,281.92/4,923.03 = 1,090.61/x
  3. Step 3: Cross multiply
    3,281.92x = 4,923.03 × 1,090.61
  4. Step 4: Simplify right side
    3,281.92x = 5,369,125.24
  5. Step 5: Solve for x
    x = 5,369,125.24/3,281.92
  6. Step 6: Final answer
    x = 1,635.97

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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.