Home / 3,519.37-5,273.58-1,326.90

Finding the Fourth Proportional to 3,519.37, 5,273.58 and 1,326.90

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Solution

The fourth proportional to 3,519.37, 5,273.58 and 1,326.90 is: 1,988.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.37 : 5,273.58 = 1,326.90 : x
  2. Step 2: Convert to fraction form
    3,519.37/5,273.58 = 1,326.90/x
  3. Step 3: Cross multiply
    3,519.37x = 5,273.58 × 1,326.90
  4. Step 4: Simplify right side
    3,519.37x = 6,997,513.30
  5. Step 5: Solve for x
    x = 6,997,513.30/3,519.37
  6. Step 6: Final answer
    x = 1,988.29

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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.