Home / 2,669.64-3,680.73-1,723.83

Finding the Fourth Proportional to 2,669.64, 3,680.73 and 1,723.83

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Solution

The fourth proportional to 2,669.64, 3,680.73 and 1,723.83 is: 2,376.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.64 : 3,680.73 = 1,723.83 : x
  2. Step 2: Convert to fraction form
    2,669.64/3,680.73 = 1,723.83/x
  3. Step 3: Cross multiply
    2,669.64x = 3,680.73 × 1,723.83
  4. Step 4: Simplify right side
    2,669.64x = 6,344,952.80
  5. Step 5: Solve for x
    x = 6,344,952.80/2,669.64
  6. Step 6: Final answer
    x = 2,376.71

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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.