Home / 2,669.38-3,682.12-1,723.66

Finding the Fourth Proportional to 2,669.38, 3,682.12 and 1,723.66

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Solution

The fourth proportional to 2,669.38, 3,682.12 and 1,723.66 is: 2,377.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.38 : 3,682.12 = 1,723.66 : x
  2. Step 2: Convert to fraction form
    2,669.38/3,682.12 = 1,723.66/x
  3. Step 3: Cross multiply
    2,669.38x = 3,682.12 × 1,723.66
  4. Step 4: Simplify right side
    2,669.38x = 6,346,722.96
  5. Step 5: Solve for x
    x = 6,346,722.96/2,669.38
  6. Step 6: Final answer
    x = 2,377.60

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1.5x scale

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.