Home / 2,820.38-4,232.01-2,057.18

Finding the Fourth Proportional to 2,820.38, 4,232.01 and 2,057.18

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Solution

The fourth proportional to 2,820.38, 4,232.01 and 2,057.18 is: 3,086.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820.38 : 4,232.01 = 2,057.18 : x
  2. Step 2: Convert to fraction form
    2,820.38/4,232.01 = 2,057.18/x
  3. Step 3: Cross multiply
    2,820.38x = 4,232.01 × 2,057.18
  4. Step 4: Simplify right side
    2,820.38x = 8,706,006.33
  5. Step 5: Solve for x
    x = 8,706,006.33/2,820.38
  6. Step 6: Final answer
    x = 3,086.82

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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.