Home / 1,813.25-2,721.80-1,606.36

Finding the Fourth Proportional to 1,813.25, 2,721.80 and 1,606.36

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Solution

The fourth proportional to 1,813.25, 2,721.80 and 1,606.36 is: 2,411.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813.25 : 2,721.80 = 1,606.36 : x
  2. Step 2: Convert to fraction form
    1,813.25/2,721.80 = 1,606.36/x
  3. Step 3: Cross multiply
    1,813.25x = 2,721.80 × 1,606.36
  4. Step 4: Simplify right side
    1,813.25x = 4,372,190.65
  5. Step 5: Solve for x
    x = 4,372,190.65/1,813.25
  6. Step 6: Final answer
    x = 2,411.25

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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.