Home / 2,230.47-3,350.57-1,820.61

Finding the Fourth Proportional to 2,230.47, 3,350.57 and 1,820.61

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Solution

The fourth proportional to 2,230.47, 3,350.57 and 1,820.61 is: 2,734.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.47 : 3,350.57 = 1,820.61 : x
  2. Step 2: Convert to fraction form
    2,230.47/3,350.57 = 1,820.61/x
  3. Step 3: Cross multiply
    2,230.47x = 3,350.57 × 1,820.61
  4. Step 4: Simplify right side
    2,230.47x = 6,100,072.14
  5. Step 5: Solve for x
    x = 6,100,072.14/2,230.47
  6. Step 6: Final answer
    x = 2,734.88

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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.