Home / 1,820.22-2,720.69-1,584.13

Finding the Fourth Proportional to 1,820.22, 2,720.69 and 1,584.13

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Solution

The fourth proportional to 1,820.22, 2,720.69 and 1,584.13 is: 2,367.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820.22 : 2,720.69 = 1,584.13 : x
  2. Step 2: Convert to fraction form
    1,820.22/2,720.69 = 1,584.13/x
  3. Step 3: Cross multiply
    1,820.22x = 2,720.69 × 1,584.13
  4. Step 4: Simplify right side
    1,820.22x = 4,309,930.62
  5. Step 5: Solve for x
    x = 4,309,930.62/1,820.22
  6. Step 6: Final answer
    x = 2,367.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.