Home / 3,822.43-5,271.58-2,759.91

Finding the Fourth Proportional to 3,822.43, 5,271.58 and 2,759.91

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Solution

The fourth proportional to 3,822.43, 5,271.58 and 2,759.91 is: 3,806.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.43 : 5,271.58 = 2,759.91 : x
  2. Step 2: Convert to fraction form
    3,822.43/5,271.58 = 2,759.91/x
  3. Step 3: Cross multiply
    3,822.43x = 5,271.58 × 2,759.91
  4. Step 4: Simplify right side
    3,822.43x = 14,549,046.20
  5. Step 5: Solve for x
    x = 14,549,046.20/3,822.43
  6. Step 6: Final answer
    x = 3,806.23

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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.