Home / 3,628.24-5,438.04-2,086

Finding the Fourth Proportional to 3,628.24, 5,438.04 and 2,086

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Solution

The fourth proportional to 3,628.24, 5,438.04 and 2,086 is: 3,126.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.24 : 5,438.04 = 2,086 : x
  2. Step 2: Convert to fraction form
    3,628.24/5,438.04 = 2,086/x
  3. Step 3: Cross multiply
    3,628.24x = 5,438.04 × 2,086
  4. Step 4: Simplify right side
    3,628.24x = 11,343,751.44
  5. Step 5: Solve for x
    x = 11,343,751.44/3,628.24
  6. Step 6: Final answer
    x = 3,126.52

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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.