Home / 3,209.13-4,813.86-1,018.03

Finding the Fourth Proportional to 3,209.13, 4,813.86 and 1,018.03

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Solution

The fourth proportional to 3,209.13, 4,813.86 and 1,018.03 is: 1,527.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.13 : 4,813.86 = 1,018.03 : x
  2. Step 2: Convert to fraction form
    3,209.13/4,813.86 = 1,018.03/x
  3. Step 3: Cross multiply
    3,209.13x = 4,813.86 × 1,018.03
  4. Step 4: Simplify right side
    3,209.13x = 4,900,632.37
  5. Step 5: Solve for x
    x = 4,900,632.37/3,209.13
  6. Step 6: Final answer
    x = 1,527.09

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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.