Home / 2,772.24-3,828.42-2,575.68

Finding the Fourth Proportional to 2,772.24, 3,828.42 and 2,575.68

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Solution

The fourth proportional to 2,772.24, 3,828.42 and 2,575.68 is: 3,556.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.24 : 3,828.42 = 2,575.68 : x
  2. Step 2: Convert to fraction form
    2,772.24/3,828.42 = 2,575.68/x
  3. Step 3: Cross multiply
    2,772.24x = 3,828.42 × 2,575.68
  4. Step 4: Simplify right side
    2,772.24x = 9,860,784.83
  5. Step 5: Solve for x
    x = 9,860,784.83/2,772.24
  6. Step 6: Final answer
    x = 3,556.97

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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.