Home / 2,205.11-3,307.64-906.59

Finding the Fourth Proportional to 2,205.11, 3,307.64 and 906.59

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Solution

The fourth proportional to 2,205.11, 3,307.64 and 906.59 is: 1,359.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205.11 : 3,307.64 = 906.59 : x
  2. Step 2: Convert to fraction form
    2,205.11/3,307.64 = 906.59/x
  3. Step 3: Cross multiply
    2,205.11x = 3,307.64 × 906.59
  4. Step 4: Simplify right side
    2,205.11x = 2,998,652.28
  5. Step 5: Solve for x
    x = 2,998,652.28/2,205.11
  6. Step 6: Final answer
    x = 1,359.87

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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.