Home / 3,195.64-4,789.02-1,807

Finding the Fourth Proportional to 3,195.64, 4,789.02 and 1,807

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Solution

The fourth proportional to 3,195.64, 4,789.02 and 1,807 is: 2,707.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.64 : 4,789.02 = 1,807 : x
  2. Step 2: Convert to fraction form
    3,195.64/4,789.02 = 1,807/x
  3. Step 3: Cross multiply
    3,195.64x = 4,789.02 × 1,807
  4. Step 4: Simplify right side
    3,195.64x = 8,653,759.14
  5. Step 5: Solve for x
    x = 8,653,759.14/3,195.64
  6. Step 6: Final answer
    x = 2,707.99

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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.