Home / 3,281.59-4,922.48-1,090.50

Finding the Fourth Proportional to 3,281.59, 4,922.48 and 1,090.50

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Solution

The fourth proportional to 3,281.59, 4,922.48 and 1,090.50 is: 1,635.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.59 : 4,922.48 = 1,090.50 : x
  2. Step 2: Convert to fraction form
    3,281.59/4,922.48 = 1,090.50/x
  3. Step 3: Cross multiply
    3,281.59x = 4,922.48 × 1,090.50
  4. Step 4: Simplify right side
    3,281.59x = 5,367,964.44
  5. Step 5: Solve for x
    x = 5,367,964.44/3,281.59
  6. Step 6: Final answer
    x = 1,635.78

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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.