Home / 2,669.06-3,682.85-1,550.09

Finding the Fourth Proportional to 2,669.06, 3,682.85 and 1,550.09

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Solution

The fourth proportional to 2,669.06, 3,682.85 and 1,550.09 is: 2,138.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.06 : 3,682.85 = 1,550.09 : x
  2. Step 2: Convert to fraction form
    2,669.06/3,682.85 = 1,550.09/x
  3. Step 3: Cross multiply
    2,669.06x = 3,682.85 × 1,550.09
  4. Step 4: Simplify right side
    2,669.06x = 5,708,722.79
  5. Step 5: Solve for x
    x = 5,708,722.79/2,669.06
  6. Step 6: Final answer
    x = 2,138.86

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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.