Home / 2,209.73-3,047.09-1,855.41

Finding the Fourth Proportional to 2,209.73, 3,047.09 and 1,855.41

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Solution

The fourth proportional to 2,209.73, 3,047.09 and 1,855.41 is: 2,558.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.73 : 3,047.09 = 1,855.41 : x
  2. Step 2: Convert to fraction form
    2,209.73/3,047.09 = 1,855.41/x
  3. Step 3: Cross multiply
    2,209.73x = 3,047.09 × 1,855.41
  4. Step 4: Simplify right side
    2,209.73x = 5,653,601.26
  5. Step 5: Solve for x
    x = 5,653,601.26/2,209.73
  6. Step 6: Final answer
    x = 2,558.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.