Home / 2,550.62-3,521.17-2,181.57

Finding the Fourth Proportional to 2,550.62, 3,521.17 and 2,181.57

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Solution

The fourth proportional to 2,550.62, 3,521.17 and 2,181.57 is: 3,011.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,550.62 : 3,521.17 = 2,181.57 : x
  2. Step 2: Convert to fraction form
    2,550.62/3,521.17 = 2,181.57/x
  3. Step 3: Cross multiply
    2,550.62x = 3,521.17 × 2,181.57
  4. Step 4: Simplify right side
    2,550.62x = 7,681,668.36
  5. Step 5: Solve for x
    x = 7,681,668.36/2,550.62
  6. Step 6: Final answer
    x = 3,011.68

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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.