Home / 3,519.35-5,277.47-1,326.54

Finding the Fourth Proportional to 3,519.35, 5,277.47 and 1,326.54

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Solution

The fourth proportional to 3,519.35, 5,277.47 and 1,326.54 is: 1,989.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.35 : 5,277.47 = 1,326.54 : x
  2. Step 2: Convert to fraction form
    3,519.35/5,277.47 = 1,326.54/x
  3. Step 3: Cross multiply
    3,519.35x = 5,277.47 × 1,326.54
  4. Step 4: Simplify right side
    3,519.35x = 7,000,768.42
  5. Step 5: Solve for x
    x = 7,000,768.42/3,519.35
  6. Step 6: Final answer
    x = 1,989.22

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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.