Home / 3,517.68-5,277.09-1,326.57

Finding the Fourth Proportional to 3,517.68, 5,277.09 and 1,326.57

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Solution

The fourth proportional to 3,517.68, 5,277.09 and 1,326.57 is: 1,990.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.68 : 5,277.09 = 1,326.57 : x
  2. Step 2: Convert to fraction form
    3,517.68/5,277.09 = 1,326.57/x
  3. Step 3: Cross multiply
    3,517.68x = 5,277.09 × 1,326.57
  4. Step 4: Simplify right side
    3,517.68x = 7,000,429.28
  5. Step 5: Solve for x
    x = 7,000,429.28/3,517.68
  6. Step 6: Final answer
    x = 1,990.07

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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.