Home / 3,209.70-4,810.92-1,359.66

Finding the Fourth Proportional to 3,209.70, 4,810.92 and 1,359.66

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Solution

The fourth proportional to 3,209.70, 4,810.92 and 1,359.66 is: 2,037.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.70 : 4,810.92 = 1,359.66 : x
  2. Step 2: Convert to fraction form
    3,209.70/4,810.92 = 1,359.66/x
  3. Step 3: Cross multiply
    3,209.70x = 4,810.92 × 1,359.66
  4. Step 4: Simplify right side
    3,209.70x = 6,541,215.49
  5. Step 5: Solve for x
    x = 6,541,215.49/3,209.70
  6. Step 6: Final answer
    x = 2,037.95

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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.