Home / 3,209.20-4,810.50-2,040.06

Finding the Fourth Proportional to 3,209.20, 4,810.50 and 2,040.06

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Solution

The fourth proportional to 3,209.20, 4,810.50 and 2,040.06 is: 3,057.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.20 : 4,810.50 = 2,040.06 : x
  2. Step 2: Convert to fraction form
    3,209.20/4,810.50 = 2,040.06/x
  3. Step 3: Cross multiply
    3,209.20x = 4,810.50 × 2,040.06
  4. Step 4: Simplify right side
    3,209.20x = 9,813,708.63
  5. Step 5: Solve for x
    x = 9,813,708.63/3,209.20
  6. Step 6: Final answer
    x = 3,057.99

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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.