Home / 3,822.94-5,275.67-2,230.68

Finding the Fourth Proportional to 3,822.94, 5,275.67 and 2,230.68

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Solution

The fourth proportional to 3,822.94, 5,275.67 and 2,230.68 is: 3,078.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.94 : 5,275.67 = 2,230.68 : x
  2. Step 2: Convert to fraction form
    3,822.94/5,275.67 = 2,230.68/x
  3. Step 3: Cross multiply
    3,822.94x = 5,275.67 × 2,230.68
  4. Step 4: Simplify right side
    3,822.94x = 11,768,320.40
  5. Step 5: Solve for x
    x = 11,768,320.40/3,822.94
  6. Step 6: Final answer
    x = 3,078.34

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Similar ratio
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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.