Home / 2,816.21-4,224.96-1,356.59

Finding the Fourth Proportional to 2,816.21, 4,224.96 and 1,356.59

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Solution

The fourth proportional to 2,816.21, 4,224.96 and 1,356.59 is: 2,035.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.21 : 4,224.96 = 1,356.59 : x
  2. Step 2: Convert to fraction form
    2,816.21/4,224.96 = 1,356.59/x
  3. Step 3: Cross multiply
    2,816.21x = 4,224.96 × 1,356.59
  4. Step 4: Simplify right side
    2,816.21x = 5,731,554.14
  5. Step 5: Solve for x
    x = 5,731,554.14/2,816.21
  6. Step 6: Final answer
    x = 2,035.20

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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.