Home / 2,133.96-3,195.78-1,766.04

Finding the Fourth Proportional to 2,133.96, 3,195.78 and 1,766.04

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Solution

The fourth proportional to 2,133.96, 3,195.78 and 1,766.04 is: 2,644.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.96 : 3,195.78 = 1,766.04 : x
  2. Step 2: Convert to fraction form
    2,133.96/3,195.78 = 1,766.04/x
  3. Step 3: Cross multiply
    2,133.96x = 3,195.78 × 1,766.04
  4. Step 4: Simplify right side
    2,133.96x = 5,643,875.31
  5. Step 5: Solve for x
    x = 5,643,875.31/2,133.96
  6. Step 6: Final answer
    x = 2,644.79

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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.