Home / 3,209.20-4,814.24-1,359.16

Finding the Fourth Proportional to 3,209.20, 4,814.24 and 1,359.16

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Solution

The fourth proportional to 3,209.20, 4,814.24 and 1,359.16 is: 2,038.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.20 : 4,814.24 = 1,359.16 : x
  2. Step 2: Convert to fraction form
    3,209.20/4,814.24 = 1,359.16/x
  3. Step 3: Cross multiply
    3,209.20x = 4,814.24 × 1,359.16
  4. Step 4: Simplify right side
    3,209.20x = 6,543,322.44
  5. Step 5: Solve for x
    x = 6,543,322.44/3,209.20
  6. Step 6: Final answer
    x = 2,038.93

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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.