Home / 1,816.20-2,720.87-1,073.59

Finding the Fourth Proportional to 1,816.20, 2,720.87 and 1,073.59

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Solution

The fourth proportional to 1,816.20, 2,720.87 and 1,073.59 is: 1,608.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.20 : 2,720.87 = 1,073.59 : x
  2. Step 2: Convert to fraction form
    1,816.20/2,720.87 = 1,073.59/x
  3. Step 3: Cross multiply
    1,816.20x = 2,720.87 × 1,073.59
  4. Step 4: Simplify right side
    1,816.20x = 2,921,100.88
  5. Step 5: Solve for x
    x = 2,921,100.88/1,816.20
  6. Step 6: Final answer
    x = 1,608.36

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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.