Home / 3,813.08-5,717.36-1,179.80

Finding the Fourth Proportional to 3,813.08, 5,717.36 and 1,179.80

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Solution

The fourth proportional to 3,813.08, 5,717.36 and 1,179.80 is: 1,769.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813.08 : 5,717.36 = 1,179.80 : x
  2. Step 2: Convert to fraction form
    3,813.08/5,717.36 = 1,179.80/x
  3. Step 3: Cross multiply
    3,813.08x = 5,717.36 × 1,179.80
  4. Step 4: Simplify right side
    3,813.08x = 6,745,349.72
  5. Step 5: Solve for x
    x = 6,745,349.72/3,813.08
  6. Step 6: Final answer
    x = 1,769.00

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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.