Home / 3,828.23-5,282.77-2,149.43

Finding the Fourth Proportional to 3,828.23, 5,282.77 and 2,149.43

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Solution

The fourth proportional to 3,828.23, 5,282.77 and 2,149.43 is: 2,966.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.23 : 5,282.77 = 2,149.43 : x
  2. Step 2: Convert to fraction form
    3,828.23/5,282.77 = 2,149.43/x
  3. Step 3: Cross multiply
    3,828.23x = 5,282.77 × 2,149.43
  4. Step 4: Simplify right side
    3,828.23x = 11,354,944.32
  5. Step 5: Solve for x
    x = 11,354,944.32/3,828.23
  6. Step 6: Final answer
    x = 2,966.11

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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.