Home / 2,080.34-3,118.85-1,201.84

Finding the Fourth Proportional to 2,080.34, 3,118.85 and 1,201.84

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Solution

The fourth proportional to 2,080.34, 3,118.85 and 1,201.84 is: 1,801.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080.34 : 3,118.85 = 1,201.84 : x
  2. Step 2: Convert to fraction form
    2,080.34/3,118.85 = 1,201.84/x
  3. Step 3: Cross multiply
    2,080.34x = 3,118.85 × 1,201.84
  4. Step 4: Simplify right side
    2,080.34x = 3,748,358.68
  5. Step 5: Solve for x
    x = 3,748,358.68/2,080.34
  6. Step 6: Final answer
    x = 1,801.80

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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.