Home / 3,812.06-5,260.70-2,320.04

Finding the Fourth Proportional to 3,812.06, 5,260.70 and 2,320.04

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Solution

The fourth proportional to 3,812.06, 5,260.70 and 2,320.04 is: 3,201.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.06 : 5,260.70 = 2,320.04 : x
  2. Step 2: Convert to fraction form
    3,812.06/5,260.70 = 2,320.04/x
  3. Step 3: Cross multiply
    3,812.06x = 5,260.70 × 2,320.04
  4. Step 4: Simplify right side
    3,812.06x = 12,204,996.52
  5. Step 5: Solve for x
    x = 12,204,996.52/3,812.06
  6. Step 6: Final answer
    x = 3,201.68

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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.