Home / 3,822.20-5,274.69-2,330.18

Finding the Fourth Proportional to 3,822.20, 5,274.69 and 2,330.18

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Solution

The fourth proportional to 3,822.20, 5,274.69 and 2,330.18 is: 3,215.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.20 : 5,274.69 = 2,330.18 : x
  2. Step 2: Convert to fraction form
    3,822.20/5,274.69 = 2,330.18/x
  3. Step 3: Cross multiply
    3,822.20x = 5,274.69 × 2,330.18
  4. Step 4: Simplify right side
    3,822.20x = 12,290,977.14
  5. Step 5: Solve for x
    x = 12,290,977.14/3,822.20
  6. Step 6: Final answer
    x = 3,215.68

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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.