Home / 3,281.92-4,920.84-1,090.08

Finding the Fourth Proportional to 3,281.92, 4,920.84 and 1,090.08

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Solution

The fourth proportional to 3,281.92, 4,920.84 and 1,090.08 is: 1,634.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.92 : 4,920.84 = 1,090.08 : x
  2. Step 2: Convert to fraction form
    3,281.92/4,920.84 = 1,090.08/x
  3. Step 3: Cross multiply
    3,281.92x = 4,920.84 × 1,090.08
  4. Step 4: Simplify right side
    3,281.92x = 5,364,109.27
  5. Step 5: Solve for x
    x = 5,364,109.27/3,281.92
  6. Step 6: Final answer
    x = 1,634.44

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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.