Home / 3,518.24-5,277.36-1,326.96

Finding the Fourth Proportional to 3,518.24, 5,277.36 and 1,326.96

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Solution

The fourth proportional to 3,518.24, 5,277.36 and 1,326.96 is: 1,990.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.24 : 5,277.36 = 1,326.96 : x
  2. Step 2: Convert to fraction form
    3,518.24/5,277.36 = 1,326.96/x
  3. Step 3: Cross multiply
    3,518.24x = 5,277.36 × 1,326.96
  4. Step 4: Simplify right side
    3,518.24x = 7,002,845.63
  5. Step 5: Solve for x
    x = 7,002,845.63/3,518.24
  6. Step 6: Final answer
    x = 1,990.44

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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.