Home / 3,812.60-5,262.56-2,321.84

Finding the Fourth Proportional to 3,812.60, 5,262.56 and 2,321.84

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Solution

The fourth proportional to 3,812.60, 5,262.56 and 2,321.84 is: 3,204.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.60 : 5,262.56 = 2,321.84 : x
  2. Step 2: Convert to fraction form
    3,812.60/5,262.56 = 2,321.84/x
  3. Step 3: Cross multiply
    3,812.60x = 5,262.56 × 2,321.84
  4. Step 4: Simplify right side
    3,812.60x = 12,218,822.31
  5. Step 5: Solve for x
    x = 12,218,822.31/3,812.60
  6. Step 6: Final answer
    x = 3,204.85

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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.