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Finding the Fourth Proportional to 2,698.65, 3,741.12 and 2,550.83

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Solution

The fourth proportional to 2,698.65, 3,741.12 and 2,550.83 is: 3,536.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698.65 : 3,741.12 = 2,550.83 : x
  2. Step 2: Convert to fraction form
    2,698.65/3,741.12 = 2,550.83/x
  3. Step 3: Cross multiply
    2,698.65x = 3,741.12 × 2,550.83
  4. Step 4: Simplify right side
    2,698.65x = 9,542,942.42
  5. Step 5: Solve for x
    x = 9,542,942.42/2,698.65
  6. Step 6: Final answer
    x = 3,536.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.