Home / 2,205.54-3,308.29-2,077.15

Finding the Fourth Proportional to 2,205.54, 3,308.29 and 2,077.15

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Solution

The fourth proportional to 2,205.54, 3,308.29 and 2,077.15 is: 3,115.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205.54 : 3,308.29 = 2,077.15 : x
  2. Step 2: Convert to fraction form
    2,205.54/3,308.29 = 2,077.15/x
  3. Step 3: Cross multiply
    2,205.54x = 3,308.29 × 2,077.15
  4. Step 4: Simplify right side
    2,205.54x = 6,871,814.57
  5. Step 5: Solve for x
    x = 6,871,814.57/2,205.54
  6. Step 6: Final answer
    x = 3,115.71

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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.