Home / 2,205.43-3,308.45-1,798.11

Finding the Fourth Proportional to 2,205.43, 3,308.45 and 1,798.11

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Solution

The fourth proportional to 2,205.43, 3,308.45 and 1,798.11 is: 2,697.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205.43 : 3,308.45 = 1,798.11 : x
  2. Step 2: Convert to fraction form
    2,205.43/3,308.45 = 1,798.11/x
  3. Step 3: Cross multiply
    2,205.43x = 3,308.45 × 1,798.11
  4. Step 4: Simplify right side
    2,205.43x = 5,948,957.03
  5. Step 5: Solve for x
    x = 5,948,957.03/2,205.43
  6. Step 6: Final answer
    x = 2,697.41

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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.