Home / 3,281.45-4,922.91-1,090.26

Finding the Fourth Proportional to 3,281.45, 4,922.91 and 1,090.26

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Solution

The fourth proportional to 3,281.45, 4,922.91 and 1,090.26 is: 1,635.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.45 : 4,922.91 = 1,090.26 : x
  2. Step 2: Convert to fraction form
    3,281.45/4,922.91 = 1,090.26/x
  3. Step 3: Cross multiply
    3,281.45x = 4,922.91 × 1,090.26
  4. Step 4: Simplify right side
    3,281.45x = 5,367,251.86
  5. Step 5: Solve for x
    x = 5,367,251.86/3,281.45
  6. Step 6: Final answer
    x = 1,635.64

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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.