Home / 3,619.68-5,425.56-1,766.64

Finding the Fourth Proportional to 3,619.68, 5,425.56 and 1,766.64

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Solution

The fourth proportional to 3,619.68, 5,425.56 and 1,766.64 is: 2,648.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.68 : 5,425.56 = 1,766.64 : x
  2. Step 2: Convert to fraction form
    3,619.68/5,425.56 = 1,766.64/x
  3. Step 3: Cross multiply
    3,619.68x = 5,425.56 × 1,766.64
  4. Step 4: Simplify right side
    3,619.68x = 9,585,011.32
  5. Step 5: Solve for x
    x = 9,585,011.32/3,619.68
  6. Step 6: Final answer
    x = 2,648.03

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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.