Home / 3,628.53-5,438.61-1,676.64

Finding the Fourth Proportional to 3,628.53, 5,438.61 and 1,676.64

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Solution

The fourth proportional to 3,628.53, 5,438.61 and 1,676.64 is: 2,513.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.53 : 5,438.61 = 1,676.64 : x
  2. Step 2: Convert to fraction form
    3,628.53/5,438.61 = 1,676.64/x
  3. Step 3: Cross multiply
    3,628.53x = 5,438.61 × 1,676.64
  4. Step 4: Simplify right side
    3,628.53x = 9,118,591.07
  5. Step 5: Solve for x
    x = 9,118,591.07/3,628.53
  6. Step 6: Final answer
    x = 2,513.03

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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.