Home / 3,822.49-5,731.56-2,262.70

Finding the Fourth Proportional to 3,822.49, 5,731.56 and 2,262.70

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Solution

The fourth proportional to 3,822.49, 5,731.56 and 2,262.70 is: 3,392.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.49 : 5,731.56 = 2,262.70 : x
  2. Step 2: Convert to fraction form
    3,822.49/5,731.56 = 2,262.70/x
  3. Step 3: Cross multiply
    3,822.49x = 5,731.56 × 2,262.70
  4. Step 4: Simplify right side
    3,822.49x = 12,968,800.81
  5. Step 5: Solve for x
    x = 12,968,800.81/3,822.49
  6. Step 6: Final answer
    x = 3,392.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.