Home / 3,192.68-4,789.53-1,807.69

Finding the Fourth Proportional to 3,192.68, 4,789.53 and 1,807.69

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Solution

The fourth proportional to 3,192.68, 4,789.53 and 1,807.69 is: 2,711.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.68 : 4,789.53 = 1,807.69 : x
  2. Step 2: Convert to fraction form
    3,192.68/4,789.53 = 1,807.69/x
  3. Step 3: Cross multiply
    3,192.68x = 4,789.53 × 1,807.69
  4. Step 4: Simplify right side
    3,192.68x = 8,657,995.96
  5. Step 5: Solve for x
    x = 8,657,995.96/3,192.68
  6. Step 6: Final answer
    x = 2,711.83

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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.